Home / 1,382,414.31-2,073,619.85-385,142.31

Finding the Fourth Proportional to 1,382,414.31, 2,073,619.85 and 385,142.31

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Solution

The fourth proportional to 1,382,414.31, 2,073,619.85 and 385,142.31 is: 577,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,414.31 : 2,073,619.85 = 385,142.31 : x
  2. Step 2: Convert to fraction form
    1,382,414.31/2,073,619.85 = 385,142.31/x
  3. Step 3: Cross multiply
    1,382,414.31x = 2,073,619.85 × 385,142.31
  4. Step 4: Simplify right side
    1,382,414.31x = 798,638,737,165.14
  5. Step 5: Solve for x
    x = 798,638,737,165.14/1,382,414.31
  6. Step 6: Final answer
    x = 577,713.01

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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.