Home / 1,145,921.19-1,581,278.69-662,517.48

Finding the Fourth Proportional to 1,145,921.19, 1,581,278.69 and 662,517.48

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Solution

The fourth proportional to 1,145,921.19, 1,581,278.69 and 662,517.48 is: 914,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,921.19 : 1,581,278.69 = 662,517.48 : x
  2. Step 2: Convert to fraction form
    1,145,921.19/1,581,278.69 = 662,517.48/x
  3. Step 3: Cross multiply
    1,145,921.19x = 1,581,278.69 × 662,517.48
  4. Step 4: Simplify right side
    1,145,921.19x = 1,047,624,761,657.52
  5. Step 5: Solve for x
    x = 1,047,624,761,657.52/1,145,921.19
  6. Step 6: Final answer
    x = 914,220.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.