Home / 1,338,188.82-1,846,702.44-726,341.71

Finding the Fourth Proportional to 1,338,188.82, 1,846,702.44 and 726,341.71

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Solution

The fourth proportional to 1,338,188.82, 1,846,702.44 and 726,341.71 is: 1,002,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,188.82 : 1,846,702.44 = 726,341.71 : x
  2. Step 2: Convert to fraction form
    1,338,188.82/1,846,702.44 = 726,341.71/x
  3. Step 3: Cross multiply
    1,338,188.82x = 1,846,702.44 × 726,341.71
  4. Step 4: Simplify right side
    1,338,188.82x = 1,341,337,008,130.77
  5. Step 5: Solve for x
    x = 1,341,337,008,130.77/1,338,188.82
  6. Step 6: Final answer
    x = 1,002,352.57

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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.