Home / 854,578.60-1,280,178.30-749,516.20

Finding the Fourth Proportional to 854,578.60, 1,280,178.30 and 749,516.20

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Solution

The fourth proportional to 854,578.60, 1,280,178.30 and 749,516.20 is: 1,122,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,578.60 : 1,280,178.30 = 749,516.20 : x
  2. Step 2: Convert to fraction form
    854,578.60/1,280,178.30 = 749,516.20/x
  3. Step 3: Cross multiply
    854,578.60x = 1,280,178.30 × 749,516.20
  4. Step 4: Simplify right side
    854,578.60x = 959,514,374,738.46
  5. Step 5: Solve for x
    x = 959,514,374,738.46/854,578.60
  6. Step 6: Final answer
    x = 1,122,792.42

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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.