Home / 1,117,262.31-1,542,344.54-715,087.59

Finding the Fourth Proportional to 1,117,262.31, 1,542,344.54 and 715,087.59

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Solution

The fourth proportional to 1,117,262.31, 1,542,344.54 and 715,087.59 is: 987,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,262.31 : 1,542,344.54 = 715,087.59 : x
  2. Step 2: Convert to fraction form
    1,117,262.31/1,542,344.54 = 715,087.59/x
  3. Step 3: Cross multiply
    1,117,262.31x = 1,542,344.54 × 715,087.59
  4. Step 4: Simplify right side
    1,117,262.31x = 1,102,911,436,482.82
  5. Step 5: Solve for x
    x = 1,102,911,436,482.82/1,117,262.31
  6. Step 6: Final answer
    x = 987,155.32

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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.