Home / 1,475,432.40-2,215,222.20-915,560.40

Finding the Fourth Proportional to 1,475,432.40, 2,215,222.20 and 915,560.40

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Solution

The fourth proportional to 1,475,432.40, 2,215,222.20 and 915,560.40 is: 1,374,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,432.40 : 2,215,222.20 = 915,560.40 : x
  2. Step 2: Convert to fraction form
    1,475,432.40/2,215,222.20 = 915,560.40/x
  3. Step 3: Cross multiply
    1,475,432.40x = 2,215,222.20 × 915,560.40
  4. Step 4: Simplify right side
    1,475,432.40x = 2,028,169,723,520.88
  5. Step 5: Solve for x
    x = 2,028,169,723,520.88/1,475,432.40
  6. Step 6: Final answer
    x = 1,374,627.35

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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.