Home / 1,004,187.78-1,506,280.86-256,233.78

Finding the Fourth Proportional to 1,004,187.78, 1,506,280.86 and 256,233.78

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Solution

The fourth proportional to 1,004,187.78, 1,506,280.86 and 256,233.78 is: 384,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,187.78 : 1,506,280.86 = 256,233.78 : x
  2. Step 2: Convert to fraction form
    1,004,187.78/1,506,280.86 = 256,233.78/x
  3. Step 3: Cross multiply
    1,004,187.78x = 1,506,280.86 × 256,233.78
  4. Step 4: Simplify right side
    1,004,187.78x = 385,960,038,499.45
  5. Step 5: Solve for x
    x = 385,960,038,499.45/1,004,187.78
  6. Step 6: Final answer
    x = 384,350.46

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Double scale
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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.