Home / 1,013,720.52-1,398,783.84-615,691.83

Finding the Fourth Proportional to 1,013,720.52, 1,398,783.84 and 615,691.83

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Solution

The fourth proportional to 1,013,720.52, 1,398,783.84 and 615,691.83 is: 849,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,720.52 : 1,398,783.84 = 615,691.83 : x
  2. Step 2: Convert to fraction form
    1,013,720.52/1,398,783.84 = 615,691.83/x
  3. Step 3: Cross multiply
    1,013,720.52x = 1,398,783.84 × 615,691.83
  4. Step 4: Simplify right side
    1,013,720.52x = 861,219,782,224.03
  5. Step 5: Solve for x
    x = 861,219,782,224.03/1,013,720.52
  6. Step 6: Final answer
    x = 849,563.33

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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.