Home / 996,209.43-1,375,123.97-588,312.92

Finding the Fourth Proportional to 996,209.43, 1,375,123.97 and 588,312.92

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Solution

The fourth proportional to 996,209.43, 1,375,123.97 and 588,312.92 is: 812,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,209.43 : 1,375,123.97 = 588,312.92 : x
  2. Step 2: Convert to fraction form
    996,209.43/1,375,123.97 = 588,312.92/x
  3. Step 3: Cross multiply
    996,209.43x = 1,375,123.97 × 588,312.92
  4. Step 4: Simplify right side
    996,209.43x = 809,003,191,277.07
  5. Step 5: Solve for x
    x = 809,003,191,277.07/996,209.43
  6. Step 6: Final answer
    x = 812,081.45

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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.