Home / 854,559.60-1,280,149.80-749,497.20

Finding the Fourth Proportional to 854,559.60, 1,280,149.80 and 749,497.20

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Solution

The fourth proportional to 854,559.60, 1,280,149.80 and 749,497.20 is: 1,122,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,559.60 : 1,280,149.80 = 749,497.20 : x
  2. Step 2: Convert to fraction form
    854,559.60/1,280,149.80 = 749,497.20/x
  3. Step 3: Cross multiply
    854,559.60x = 1,280,149.80 × 749,497.20
  4. Step 4: Simplify right side
    854,559.60x = 959,468,690,680.56
  5. Step 5: Solve for x
    x = 959,468,690,680.56/854,559.60
  6. Step 6: Final answer
    x = 1,122,763.93

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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.