Home / 1,234,744.40-1,851,943.80-393,381.20

Finding the Fourth Proportional to 1,234,744.40, 1,851,943.80 and 393,381.20

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Solution

The fourth proportional to 1,234,744.40, 1,851,943.80 and 393,381.20 is: 590,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,744.40 : 1,851,943.80 = 393,381.20 : x
  2. Step 2: Convert to fraction form
    1,234,744.40/1,851,943.80 = 393,381.20/x
  3. Step 3: Cross multiply
    1,234,744.40x = 1,851,943.80 × 393,381.20
  4. Step 4: Simplify right side
    1,234,744.40x = 728,519,874,376.56
  5. Step 5: Solve for x
    x = 728,519,874,376.56/1,234,744.40
  6. Step 6: Final answer
    x = 590,016.75

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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.