Home / 999,144.24-1,378,790.82-546,425.52

Finding the Fourth Proportional to 999,144.24, 1,378,790.82 and 546,425.52

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Solution

The fourth proportional to 999,144.24, 1,378,790.82 and 546,425.52 is: 754,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,144.24 : 1,378,790.82 = 546,425.52 : x
  2. Step 2: Convert to fraction form
    999,144.24/1,378,790.82 = 546,425.52/x
  3. Step 3: Cross multiply
    999,144.24x = 1,378,790.82 × 546,425.52
  4. Step 4: Simplify right side
    999,144.24x = 753,406,490,789.73
  5. Step 5: Solve for x
    x = 753,406,490,789.73/999,144.24
  6. Step 6: Final answer
    x = 754,051.78

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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.