Home / 1,107,096.40-1,659,607.80-867,077.20

Finding the Fourth Proportional to 1,107,096.40, 1,659,607.80 and 867,077.20

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Solution

The fourth proportional to 1,107,096.40, 1,659,607.80 and 867,077.20 is: 1,299,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,096.40 : 1,659,607.80 = 867,077.20 : x
  2. Step 2: Convert to fraction form
    1,107,096.40/1,659,607.80 = 867,077.20/x
  3. Step 3: Cross multiply
    1,107,096.40x = 1,659,607.80 × 867,077.20
  4. Step 4: Simplify right side
    1,107,096.40x = 1,439,008,084,322.16
  5. Step 5: Solve for x
    x = 1,439,008,084,322.16/1,107,096.40
  6. Step 6: Final answer
    x = 1,299,803.78

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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.