Home / 807,512.40-1,211,268.60-746,686.80

Finding the Fourth Proportional to 807,512.40, 1,211,268.60 and 746,686.80

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Solution

The fourth proportional to 807,512.40, 1,211,268.60 and 746,686.80 is: 1,120,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,512.40 : 1,211,268.60 = 746,686.80 : x
  2. Step 2: Convert to fraction form
    807,512.40/1,211,268.60 = 746,686.80/x
  3. Step 3: Cross multiply
    807,512.40x = 1,211,268.60 × 746,686.80
  4. Step 4: Simplify right side
    807,512.40x = 904,438,274,874.48
  5. Step 5: Solve for x
    x = 904,438,274,874.48/807,512.40
  6. Step 6: Final answer
    x = 1,120,030.20

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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.