Home / 1,247,276.70-1,872,008.55-741,204.90

Finding the Fourth Proportional to 1,247,276.70, 1,872,008.55 and 741,204.90

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Solution

The fourth proportional to 1,247,276.70, 1,872,008.55 and 741,204.90 is: 1,112,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,276.70 : 1,872,008.55 = 741,204.90 : x
  2. Step 2: Convert to fraction form
    1,247,276.70/1,872,008.55 = 741,204.90/x
  3. Step 3: Cross multiply
    1,247,276.70x = 1,872,008.55 × 741,204.90
  4. Step 4: Simplify right side
    1,247,276.70x = 1,387,541,910,101.90
  5. Step 5: Solve for x
    x = 1,387,541,910,101.90/1,247,276.70
  6. Step 6: Final answer
    x = 1,112,457.17

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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.