Home / 1,761,726.11-2,431,352.66-987,488.46

Finding the Fourth Proportional to 1,761,726.11, 2,431,352.66 and 987,488.46

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Solution

The fourth proportional to 1,761,726.11, 2,431,352.66 and 987,488.46 is: 1,362,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,726.11 : 2,431,352.66 = 987,488.46 : x
  2. Step 2: Convert to fraction form
    1,761,726.11/2,431,352.66 = 987,488.46/x
  3. Step 3: Cross multiply
    1,761,726.11x = 2,431,352.66 × 987,488.46
  4. Step 4: Simplify right side
    1,761,726.11x = 2,400,932,689,002.86
  5. Step 5: Solve for x
    x = 2,400,932,689,002.86/1,761,726.11
  6. Step 6: Final answer
    x = 1,362,829.72

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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.