Home / 1,005,291.20-1,387,295.33-575,654.38

Finding the Fourth Proportional to 1,005,291.20, 1,387,295.33 and 575,654.38

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Solution

The fourth proportional to 1,005,291.20, 1,387,295.33 and 575,654.38 is: 794,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,291.20 : 1,387,295.33 = 575,654.38 : x
  2. Step 2: Convert to fraction form
    1,005,291.20/1,387,295.33 = 575,654.38/x
  3. Step 3: Cross multiply
    1,005,291.20x = 1,387,295.33 × 575,654.38
  4. Step 4: Simplify right side
    1,005,291.20x = 798,602,626,721.54
  5. Step 5: Solve for x
    x = 798,602,626,721.54/1,005,291.20
  6. Step 6: Final answer
    x = 794,399.30

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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.