Home / 926,686.11-1,391,011.78-820,757.75

Finding the Fourth Proportional to 926,686.11, 1,391,011.78 and 820,757.75

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Solution

The fourth proportional to 926,686.11, 1,391,011.78 and 820,757.75 is: 1,232,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,686.11 : 1,391,011.78 = 820,757.75 : x
  2. Step 2: Convert to fraction form
    926,686.11/1,391,011.78 = 820,757.75/x
  3. Step 3: Cross multiply
    926,686.11x = 1,391,011.78 × 820,757.75
  4. Step 4: Simplify right side
    926,686.11x = 1,141,683,691,308.26
  5. Step 5: Solve for x
    x = 1,141,683,691,308.26/926,686.11
  6. Step 6: Final answer
    x = 1,232,006.91

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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.