Home / 1,332,193.61-1,838,425.88-720,344.90

Finding the Fourth Proportional to 1,332,193.61, 1,838,425.88 and 720,344.90

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Solution

The fourth proportional to 1,332,193.61, 1,838,425.88 and 720,344.90 is: 994,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,193.61 : 1,838,425.88 = 720,344.90 : x
  2. Step 2: Convert to fraction form
    1,332,193.61/1,838,425.88 = 720,344.90/x
  3. Step 3: Cross multiply
    1,332,193.61x = 1,838,425.88 × 720,344.90
  4. Step 4: Simplify right side
    1,332,193.61x = 1,324,300,707,680.35
  5. Step 5: Solve for x
    x = 1,324,300,707,680.35/1,332,193.61
  6. Step 6: Final answer
    x = 994,075.26

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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.