Home / 1,349,744.28-2,025,127.78-810,377.22

Finding the Fourth Proportional to 1,349,744.28, 2,025,127.78 and 810,377.22

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Solution

The fourth proportional to 1,349,744.28, 2,025,127.78 and 810,377.22 is: 1,215,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,744.28 : 2,025,127.78 = 810,377.22 : x
  2. Step 2: Convert to fraction form
    1,349,744.28/2,025,127.78 = 810,377.22/x
  3. Step 3: Cross multiply
    1,349,744.28x = 2,025,127.78 × 810,377.22
  4. Step 4: Simplify right side
    1,349,744.28x = 1,641,117,426,069.46
  5. Step 5: Solve for x
    x = 1,641,117,426,069.46/1,349,744.28
  6. Step 6: Final answer
    x = 1,215,872.85

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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.