Home / 1,126,201.20-1,553,785.56-690,457.20

Finding the Fourth Proportional to 1,126,201.20, 1,553,785.56 and 690,457.20

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Solution

The fourth proportional to 1,126,201.20, 1,553,785.56 and 690,457.20 is: 952,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,201.20 : 1,553,785.56 = 690,457.20 : x
  2. Step 2: Convert to fraction form
    1,126,201.20/1,553,785.56 = 690,457.20/x
  3. Step 3: Cross multiply
    1,126,201.20x = 1,553,785.56 × 690,457.20
  4. Step 4: Simplify right side
    1,126,201.20x = 1,072,822,427,158.03
  5. Step 5: Solve for x
    x = 1,072,822,427,158.03/1,126,201.20
  6. Step 6: Final answer
    x = 952,602.81

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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.