Home / 1,331,055.60-1,837,233.02-787,380.41

Finding the Fourth Proportional to 1,331,055.60, 1,837,233.02 and 787,380.41

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Solution

The fourth proportional to 1,331,055.60, 1,837,233.02 and 787,380.41 is: 1,086,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,055.60 : 1,837,233.02 = 787,380.41 : x
  2. Step 2: Convert to fraction form
    1,331,055.60/1,837,233.02 = 787,380.41/x
  3. Step 3: Cross multiply
    1,331,055.60x = 1,837,233.02 × 787,380.41
  4. Step 4: Simplify right side
    1,331,055.60x = 1,446,601,281,335.42
  5. Step 5: Solve for x
    x = 1,446,601,281,335.42/1,331,055.60
  6. Step 6: Final answer
    x = 1,086,807.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.