Home / 1,357,108.89-2,032,562.61-647,635.20

Finding the Fourth Proportional to 1,357,108.89, 2,032,562.61 and 647,635.20

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Solution

The fourth proportional to 1,357,108.89, 2,032,562.61 and 647,635.20 is: 969,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,108.89 : 2,032,562.61 = 647,635.20 : x
  2. Step 2: Convert to fraction form
    1,357,108.89/2,032,562.61 = 647,635.20/x
  3. Step 3: Cross multiply
    1,357,108.89x = 2,032,562.61 × 647,635.20
  4. Step 4: Simplify right side
    1,357,108.89x = 1,316,359,092,439.87
  5. Step 5: Solve for x
    x = 1,316,359,092,439.87/1,357,108.89
  6. Step 6: Final answer
    x = 969,973.08

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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.