Home / 1,107,108.90-1,659,626.55-867,089.70

Finding the Fourth Proportional to 1,107,108.90, 1,659,626.55 and 867,089.70

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Solution

The fourth proportional to 1,107,108.90, 1,659,626.55 and 867,089.70 is: 1,299,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,108.90 : 1,659,626.55 = 867,089.70 : x
  2. Step 2: Convert to fraction form
    1,107,108.90/1,659,626.55 = 867,089.70/x
  3. Step 3: Cross multiply
    1,107,108.90x = 1,659,626.55 × 867,089.70
  4. Step 4: Simplify right side
    1,107,108.90x = 1,439,045,087,351.54
  5. Step 5: Solve for x
    x = 1,439,045,087,351.54/1,107,108.90
  6. Step 6: Final answer
    x = 1,299,822.53

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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.