Home / 1,520,438.10-2,280,657.07-699,693.85

Finding the Fourth Proportional to 1,520,438.10, 2,280,657.07 and 699,693.85

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Solution

The fourth proportional to 1,520,438.10, 2,280,657.07 and 699,693.85 is: 1,049,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,438.10 : 2,280,657.07 = 699,693.85 : x
  2. Step 2: Convert to fraction form
    1,520,438.10/2,280,657.07 = 699,693.85/x
  3. Step 3: Cross multiply
    1,520,438.10x = 2,280,657.07 × 699,693.85
  4. Step 4: Simplify right side
    1,520,438.10x = 1,595,761,725,838.02
  5. Step 5: Solve for x
    x = 1,595,761,725,838.02/1,520,438.10
  6. Step 6: Final answer
    x = 1,049,540.74

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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.