Home / 1,144,720.92-1,579,394.79-715,437.12

Finding the Fourth Proportional to 1,144,720.92, 1,579,394.79 and 715,437.12

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Solution

The fourth proportional to 1,144,720.92, 1,579,394.79 and 715,437.12 is: 987,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,720.92 : 1,579,394.79 = 715,437.12 : x
  2. Step 2: Convert to fraction form
    1,144,720.92/1,579,394.79 = 715,437.12/x
  3. Step 3: Cross multiply
    1,144,720.92x = 1,579,394.79 × 715,437.12
  4. Step 4: Simplify right side
    1,144,720.92x = 1,129,957,659,900.60
  5. Step 5: Solve for x
    x = 1,129,957,659,900.60/1,144,720.92
  6. Step 6: Final answer
    x = 987,103.18

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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.