Home / 1,245,101.10-1,867,651.65-613,932.90

Finding the Fourth Proportional to 1,245,101.10, 1,867,651.65 and 613,932.90

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Solution

The fourth proportional to 1,245,101.10, 1,867,651.65 and 613,932.90 is: 920,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,101.10 : 1,867,651.65 = 613,932.90 : x
  2. Step 2: Convert to fraction form
    1,245,101.10/1,867,651.65 = 613,932.90/x
  3. Step 3: Cross multiply
    1,245,101.10x = 1,867,651.65 × 613,932.90
  4. Step 4: Simplify right side
    1,245,101.10x = 1,146,612,793,674.28
  5. Step 5: Solve for x
    x = 1,146,612,793,674.28/1,245,101.10
  6. Step 6: Final answer
    x = 920,899.35

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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.