Home / 1,107,117.90-1,659,640.05-867,098.70

Finding the Fourth Proportional to 1,107,117.90, 1,659,640.05 and 867,098.70

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Solution

The fourth proportional to 1,107,117.90, 1,659,640.05 and 867,098.70 is: 1,299,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,117.90 : 1,659,640.05 = 867,098.70 : x
  2. Step 2: Convert to fraction form
    1,107,117.90/1,659,640.05 = 867,098.70/x
  3. Step 3: Cross multiply
    1,107,117.90x = 1,659,640.05 × 867,098.70
  4. Step 4: Simplify right side
    1,107,117.90x = 1,439,071,729,822.94
  5. Step 5: Solve for x
    x = 1,439,071,729,822.94/1,107,117.90
  6. Step 6: Final answer
    x = 1,299,836.02

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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.