Home / 1,071,645.69-1,478,890.13-588,255.78

Finding the Fourth Proportional to 1,071,645.69, 1,478,890.13 and 588,255.78

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Solution

The fourth proportional to 1,071,645.69, 1,478,890.13 and 588,255.78 is: 811,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,645.69 : 1,478,890.13 = 588,255.78 : x
  2. Step 2: Convert to fraction form
    1,071,645.69/1,478,890.13 = 588,255.78/x
  3. Step 3: Cross multiply
    1,071,645.69x = 1,478,890.13 × 588,255.78
  4. Step 4: Simplify right side
    1,071,645.69x = 869,965,664,016.17
  5. Step 5: Solve for x
    x = 869,965,664,016.17/1,071,645.69
  6. Step 6: Final answer
    x = 811,803.45

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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.