Home / 1,586,708.04-2,380,138.61-521,726.52

Finding the Fourth Proportional to 1,586,708.04, 2,380,138.61 and 521,726.52

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Solution

The fourth proportional to 1,586,708.04, 2,380,138.61 and 521,726.52 is: 782,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,708.04 : 2,380,138.61 = 521,726.52 : x
  2. Step 2: Convert to fraction form
    1,586,708.04/2,380,138.61 = 521,726.52/x
  3. Step 3: Cross multiply
    1,586,708.04x = 2,380,138.61 × 521,726.52
  4. Step 4: Simplify right side
    1,586,708.04x = 1,241,781,431,504.30
  5. Step 5: Solve for x
    x = 1,241,781,431,504.30/1,586,708.04
  6. Step 6: Final answer
    x = 782,614.95

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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.