Home / 1,331,394.88-1,836,876.32-758,029.36

Finding the Fourth Proportional to 1,331,394.88, 1,836,876.32 and 758,029.36

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Solution

The fourth proportional to 1,331,394.88, 1,836,876.32 and 758,029.36 is: 1,045,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,394.88 : 1,836,876.32 = 758,029.36 : x
  2. Step 2: Convert to fraction form
    1,331,394.88/1,836,876.32 = 758,029.36/x
  3. Step 3: Cross multiply
    1,331,394.88x = 1,836,876.32 × 758,029.36
  4. Step 4: Simplify right side
    1,331,394.88x = 1,392,406,181,248.76
  5. Step 5: Solve for x
    x = 1,392,406,181,248.76/1,331,394.88
  6. Step 6: Final answer
    x = 1,045,825.10

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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.