Home / 1,126,982.56-1,689,851.76-462,601.12

Finding the Fourth Proportional to 1,126,982.56, 1,689,851.76 and 462,601.12

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Solution

The fourth proportional to 1,126,982.56, 1,689,851.76 and 462,601.12 is: 693,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,982.56 : 1,689,851.76 = 462,601.12 : x
  2. Step 2: Convert to fraction form
    1,126,982.56/1,689,851.76 = 462,601.12/x
  3. Step 3: Cross multiply
    1,126,982.56x = 1,689,851.76 × 462,601.12
  4. Step 4: Simplify right side
    1,126,982.56x = 781,727,316,809.97
  5. Step 5: Solve for x
    x = 781,727,316,809.97/1,126,982.56
  6. Step 6: Final answer
    x = 693,646.33

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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.