Home / 1,393,921.31-2,090,882.06-495,398.50

Finding the Fourth Proportional to 1,393,921.31, 2,090,882.06 and 495,398.50

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Solution

The fourth proportional to 1,393,921.31, 2,090,882.06 and 495,398.50 is: 743,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,921.31 : 2,090,882.06 = 495,398.50 : x
  2. Step 2: Convert to fraction form
    1,393,921.31/2,090,882.06 = 495,398.50/x
  3. Step 3: Cross multiply
    1,393,921.31x = 2,090,882.06 × 495,398.50
  4. Step 4: Simplify right side
    1,393,921.31x = 1,035,819,830,354.46
  5. Step 5: Solve for x
    x = 1,035,819,830,354.46/1,393,921.31
  6. Step 6: Final answer
    x = 743,097.78

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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.