Home / 1,004,223.78-1,506,334.86-256,269.78

Finding the Fourth Proportional to 1,004,223.78, 1,506,334.86 and 256,269.78

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Solution

The fourth proportional to 1,004,223.78, 1,506,334.86 and 256,269.78 is: 384,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,223.78 : 1,506,334.86 = 256,269.78 : x
  2. Step 2: Convert to fraction form
    1,004,223.78/1,506,334.86 = 256,269.78/x
  3. Step 3: Cross multiply
    1,004,223.78x = 1,506,334.86 × 256,269.78
  4. Step 4: Simplify right side
    1,004,223.78x = 386,028,103,178.53
  5. Step 5: Solve for x
    x = 386,028,103,178.53/1,004,223.78
  6. Step 6: Final answer
    x = 384,404.46

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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.