Home / 1,468,378.70-2,202,049.65-521,780.30

Finding the Fourth Proportional to 1,468,378.70, 2,202,049.65 and 521,780.30

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Solution

The fourth proportional to 1,468,378.70, 2,202,049.65 and 521,780.30 is: 782,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,378.70 : 2,202,049.65 = 521,780.30 : x
  2. Step 2: Convert to fraction form
    1,468,378.70/2,202,049.65 = 521,780.30/x
  3. Step 3: Cross multiply
    1,468,378.70x = 2,202,049.65 × 521,780.30
  4. Step 4: Simplify right side
    1,468,378.70x = 1,148,986,126,991.90
  5. Step 5: Solve for x
    x = 1,148,986,126,991.90/1,468,378.70
  6. Step 6: Final answer
    x = 782,486.24

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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.