Home / 1,071,124.32-1,478,166.12-587,680.68

Finding the Fourth Proportional to 1,071,124.32, 1,478,166.12 and 587,680.68

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Solution

The fourth proportional to 1,071,124.32, 1,478,166.12 and 587,680.68 is: 811,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,124.32 : 1,478,166.12 = 587,680.68 : x
  2. Step 2: Convert to fraction form
    1,071,124.32/1,478,166.12 = 587,680.68/x
  3. Step 3: Cross multiply
    1,071,124.32x = 1,478,166.12 × 587,680.68
  4. Step 4: Simplify right side
    1,071,124.32x = 868,689,670,554.56
  5. Step 5: Solve for x
    x = 868,689,670,554.56/1,071,124.32
  6. Step 6: Final answer
    x = 811,007.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.