Home / 1,012,963.79-1,396,522.04-649,757.13

Finding the Fourth Proportional to 1,012,963.79, 1,396,522.04 and 649,757.13

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Solution

The fourth proportional to 1,012,963.79, 1,396,522.04 and 649,757.13 is: 895,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,963.79 : 1,396,522.04 = 649,757.13 : x
  2. Step 2: Convert to fraction form
    1,012,963.79/1,396,522.04 = 649,757.13/x
  3. Step 3: Cross multiply
    1,012,963.79x = 1,396,522.04 × 649,757.13
  4. Step 4: Simplify right side
    1,012,963.79x = 907,400,149,443.36
  5. Step 5: Solve for x
    x = 907,400,149,443.36/1,012,963.79
  6. Step 6: Final answer
    x = 895,787.35

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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.