Home / 801,247.56-1,200,143.40-754,139.52

Finding the Fourth Proportional to 801,247.56, 1,200,143.40 and 754,139.52

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Solution

The fourth proportional to 801,247.56, 1,200,143.40 and 754,139.52 is: 1,129,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,247.56 : 1,200,143.40 = 754,139.52 : x
  2. Step 2: Convert to fraction form
    801,247.56/1,200,143.40 = 754,139.52/x
  3. Step 3: Cross multiply
    801,247.56x = 1,200,143.40 × 754,139.52
  4. Step 4: Simplify right side
    801,247.56x = 905,075,567,607.17
  5. Step 5: Solve for x
    x = 905,075,567,607.17/801,247.56
  6. Step 6: Final answer
    x = 1,129,582.93

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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.