Home / 1,400,577.52-2,100,691.20-389,775.28

Finding the Fourth Proportional to 1,400,577.52, 2,100,691.20 and 389,775.28

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Solution

The fourth proportional to 1,400,577.52, 2,100,691.20 and 389,775.28 is: 584,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,577.52 : 2,100,691.20 = 389,775.28 : x
  2. Step 2: Convert to fraction form
    1,400,577.52/2,100,691.20 = 389,775.28/x
  3. Step 3: Cross multiply
    1,400,577.52x = 2,100,691.20 × 389,775.28
  4. Step 4: Simplify right side
    1,400,577.52x = 818,797,500,673.54
  5. Step 5: Solve for x
    x = 818,797,500,673.54/1,400,577.52
  6. Step 6: Final answer
    x = 584,614.20

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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.