Home / 1,042,212.60-1,438,279.20-583,323.30

Finding the Fourth Proportional to 1,042,212.60, 1,438,279.20 and 583,323.30

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Solution

The fourth proportional to 1,042,212.60, 1,438,279.20 and 583,323.30 is: 805,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,212.60 : 1,438,279.20 = 583,323.30 : x
  2. Step 2: Convert to fraction form
    1,042,212.60/1,438,279.20 = 583,323.30/x
  3. Step 3: Cross multiply
    1,042,212.60x = 1,438,279.20 × 583,323.30
  4. Step 4: Simplify right side
    1,042,212.60x = 838,981,769,265.36
  5. Step 5: Solve for x
    x = 838,981,769,265.36/1,042,212.60
  6. Step 6: Final answer
    x = 805,000.60

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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.