Home / 807,598.40-1,211,397.60-746,772.80

Finding the Fourth Proportional to 807,598.40, 1,211,397.60 and 746,772.80

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Solution

The fourth proportional to 807,598.40, 1,211,397.60 and 746,772.80 is: 1,120,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,598.40 : 1,211,397.60 = 746,772.80 : x
  2. Step 2: Convert to fraction form
    807,598.40/1,211,397.60 = 746,772.80/x
  3. Step 3: Cross multiply
    807,598.40x = 1,211,397.60 × 746,772.80
  4. Step 4: Simplify right side
    807,598.40x = 904,638,777,665.28
  5. Step 5: Solve for x
    x = 904,638,777,665.28/807,598.40
  6. Step 6: Final answer
    x = 1,120,159.20

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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.