Home / 1,129,472.52-1,558,697.22-620,176.92

Finding the Fourth Proportional to 1,129,472.52, 1,558,697.22 and 620,176.92

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Solution

The fourth proportional to 1,129,472.52, 1,558,697.22 and 620,176.92 is: 855,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,472.52 : 1,558,697.22 = 620,176.92 : x
  2. Step 2: Convert to fraction form
    1,129,472.52/1,558,697.22 = 620,176.92/x
  3. Step 3: Cross multiply
    1,129,472.52x = 1,558,697.22 × 620,176.92
  4. Step 4: Simplify right side
    1,129,472.52x = 966,668,041,112.16
  5. Step 5: Solve for x
    x = 966,668,041,112.16/1,129,472.52
  6. Step 6: Final answer
    x = 855,857.95

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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.