Home / 925,637.52-1,387,020.15-641,881.56

Finding the Fourth Proportional to 925,637.52, 1,387,020.15 and 641,881.56

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Solution

The fourth proportional to 925,637.52, 1,387,020.15 and 641,881.56 is: 961,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,637.52 : 1,387,020.15 = 641,881.56 : x
  2. Step 2: Convert to fraction form
    925,637.52/1,387,020.15 = 641,881.56/x
  3. Step 3: Cross multiply
    925,637.52x = 1,387,020.15 × 641,881.56
  4. Step 4: Simplify right side
    925,637.52x = 890,302,657,633.43
  5. Step 5: Solve for x
    x = 890,302,657,633.43/925,637.52
  6. Step 6: Final answer
    x = 961,826.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.