Home / 1,345,233.68-1,856,435.40-741,643.28

Finding the Fourth Proportional to 1,345,233.68, 1,856,435.40 and 741,643.28

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Solution

The fourth proportional to 1,345,233.68, 1,856,435.40 and 741,643.28 is: 1,023,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,233.68 : 1,856,435.40 = 741,643.28 : x
  2. Step 2: Convert to fraction form
    1,345,233.68/1,856,435.40 = 741,643.28/x
  3. Step 3: Cross multiply
    1,345,233.68x = 1,856,435.40 × 741,643.28
  4. Step 4: Simplify right side
    1,345,233.68x = 1,376,812,839,164.11
  5. Step 5: Solve for x
    x = 1,376,812,839,164.11/1,345,233.68
  6. Step 6: Final answer
    x = 1,023,474.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.