Home / 741,874.60-1,112,811.90-712,844.20

Finding the Fourth Proportional to 741,874.60, 1,112,811.90 and 712,844.20

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Solution

The fourth proportional to 741,874.60, 1,112,811.90 and 712,844.20 is: 1,069,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,874.60 : 1,112,811.90 = 712,844.20 : x
  2. Step 2: Convert to fraction form
    741,874.60/1,112,811.90 = 712,844.20/x
  3. Step 3: Cross multiply
    741,874.60x = 1,112,811.90 × 712,844.20
  4. Step 4: Simplify right side
    741,874.60x = 793,261,508,605.98
  5. Step 5: Solve for x
    x = 793,261,508,605.98/741,874.60
  6. Step 6: Final answer
    x = 1,069,266.30

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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.