Home / 1,001,436.21-1,381,976.24-542,559.87

Finding the Fourth Proportional to 1,001,436.21, 1,381,976.24 and 542,559.87

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Solution

The fourth proportional to 1,001,436.21, 1,381,976.24 and 542,559.87 is: 748,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,436.21 : 1,381,976.24 = 542,559.87 : x
  2. Step 2: Convert to fraction form
    1,001,436.21/1,381,976.24 = 542,559.87/x
  3. Step 3: Cross multiply
    1,001,436.21x = 1,381,976.24 × 542,559.87
  4. Step 4: Simplify right side
    1,001,436.21x = 749,804,846,404.69
  5. Step 5: Solve for x
    x = 749,804,846,404.69/1,001,436.21
  6. Step 6: Final answer
    x = 748,729.51

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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.