Home / 1,336,517.40-1,844,417.94-724,690.80

Finding the Fourth Proportional to 1,336,517.40, 1,844,417.94 and 724,690.80

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Solution

The fourth proportional to 1,336,517.40, 1,844,417.94 and 724,690.80 is: 1,000,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,517.40 : 1,844,417.94 = 724,690.80 : x
  2. Step 2: Convert to fraction form
    1,336,517.40/1,844,417.94 = 724,690.80/x
  3. Step 3: Cross multiply
    1,336,517.40x = 1,844,417.94 × 724,690.80
  4. Step 4: Simplify right side
    1,336,517.40x = 1,336,632,712,472.95
  5. Step 5: Solve for x
    x = 1,336,632,712,472.95/1,336,517.40
  6. Step 6: Final answer
    x = 1,000,086.28

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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.