Home / 1,107,270.40-1,659,868.80-867,251.20

Finding the Fourth Proportional to 1,107,270.40, 1,659,868.80 and 867,251.20

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Solution

The fourth proportional to 1,107,270.40, 1,659,868.80 and 867,251.20 is: 1,300,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,270.40 : 1,659,868.80 = 867,251.20 : x
  2. Step 2: Convert to fraction form
    1,107,270.40/1,659,868.80 = 867,251.20/x
  3. Step 3: Cross multiply
    1,107,270.40x = 1,659,868.80 × 867,251.20
  4. Step 4: Simplify right side
    1,107,270.40x = 1,439,523,208,642.56
  5. Step 5: Solve for x
    x = 1,439,523,208,642.56/1,107,270.40
  6. Step 6: Final answer
    x = 1,300,064.74

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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.