Home / 1,004,081.56-1,506,122.45-256,127.56

Finding the Fourth Proportional to 1,004,081.56, 1,506,122.45 and 256,127.56

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Solution

The fourth proportional to 1,004,081.56, 1,506,122.45 and 256,127.56 is: 384,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,081.56 : 1,506,122.45 = 256,127.56 : x
  2. Step 2: Convert to fraction form
    1,004,081.56/1,506,122.45 = 256,127.56/x
  3. Step 3: Cross multiply
    1,004,081.56x = 1,506,122.45 × 256,127.56
  4. Step 4: Simplify right side
    1,004,081.56x = 385,759,464,094.26
  5. Step 5: Solve for x
    x = 385,759,464,094.26/1,004,081.56
  6. Step 6: Final answer
    x = 384,191.36

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Half scale
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Double scale
Find fourth proportional to 1,004,082.56, 1,506,123.95 and 256,128.56
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.