Home / 1,010,836.73-1,516,616.10-434,217.78

Finding the Fourth Proportional to 1,010,836.73, 1,516,616.10 and 434,217.78

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Solution

The fourth proportional to 1,010,836.73, 1,516,616.10 and 434,217.78 is: 651,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,836.73 : 1,516,616.10 = 434,217.78 : x
  2. Step 2: Convert to fraction form
    1,010,836.73/1,516,616.10 = 434,217.78/x
  3. Step 3: Cross multiply
    1,010,836.73x = 1,516,616.10 × 434,217.78
  4. Step 4: Simplify right side
    1,010,836.73x = 658,541,676,054.26
  5. Step 5: Solve for x
    x = 658,541,676,054.26/1,010,836.73
  6. Step 6: Final answer
    x = 651,481.74

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Double scale
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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.