Home / 1,488,773.93-2,234,079.43-689,906.57

Finding the Fourth Proportional to 1,488,773.93, 2,234,079.43 and 689,906.57

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Solution

The fourth proportional to 1,488,773.93, 2,234,079.43 and 689,906.57 is: 1,035,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,773.93 : 2,234,079.43 = 689,906.57 : x
  2. Step 2: Convert to fraction form
    1,488,773.93/2,234,079.43 = 689,906.57/x
  3. Step 3: Cross multiply
    1,488,773.93x = 2,234,079.43 × 689,906.57
  4. Step 4: Simplify right side
    1,488,773.93x = 1,541,306,063,763.69
  5. Step 5: Solve for x
    x = 1,541,306,063,763.69/1,488,773.93
  6. Step 6: Final answer
    x = 1,035,285.50

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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.