Home / 1,245,335.11-1,868,593.15-740,892.62

Finding the Fourth Proportional to 1,245,335.11, 1,868,593.15 and 740,892.62

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Solution

The fourth proportional to 1,245,335.11, 1,868,593.15 and 740,892.62 is: 1,111,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,335.11 : 1,868,593.15 = 740,892.62 : x
  2. Step 2: Convert to fraction form
    1,245,335.11/1,868,593.15 = 740,892.62/x
  3. Step 3: Cross multiply
    1,245,335.11x = 1,868,593.15 × 740,892.62
  4. Step 4: Simplify right side
    1,245,335.11x = 1,384,426,880,215.15
  5. Step 5: Solve for x
    x = 1,384,426,880,215.15/1,245,335.11
  6. Step 6: Final answer
    x = 1,111,690.24

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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.