Home / 1,586,711.29-2,380,143.48-521,729.77

Finding the Fourth Proportional to 1,586,711.29, 2,380,143.48 and 521,729.77

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Solution

The fourth proportional to 1,586,711.29, 2,380,143.48 and 521,729.77 is: 782,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,711.29 : 2,380,143.48 = 521,729.77 : x
  2. Step 2: Convert to fraction form
    1,586,711.29/2,380,143.48 = 521,729.77/x
  3. Step 3: Cross multiply
    1,586,711.29x = 2,380,143.48 × 521,729.77
  4. Step 4: Simplify right side
    1,586,711.29x = 1,241,791,710,387.40
  5. Step 5: Solve for x
    x = 1,241,791,710,387.40/1,586,711.29
  6. Step 6: Final answer
    x = 782,619.82

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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.