Home / 1,117,265.31-1,542,348.68-715,090.59

Finding the Fourth Proportional to 1,117,265.31, 1,542,348.68 and 715,090.59

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Solution

The fourth proportional to 1,117,265.31, 1,542,348.68 and 715,090.59 is: 987,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,265.31 : 1,542,348.68 = 715,090.59 : x
  2. Step 2: Convert to fraction form
    1,117,265.31/1,542,348.68 = 715,090.59/x
  3. Step 3: Cross multiply
    1,117,265.31x = 1,542,348.68 × 715,090.59
  4. Step 4: Simplify right side
    1,117,265.31x = 1,102,919,027,566.92
  5. Step 5: Solve for x
    x = 1,102,919,027,566.92/1,117,265.31
  6. Step 6: Final answer
    x = 987,159.47

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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.