Home / 1,366,278.80-2,049,418.20-868,000.40

Finding the Fourth Proportional to 1,366,278.80, 2,049,418.20 and 868,000.40

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Solution

The fourth proportional to 1,366,278.80, 2,049,418.20 and 868,000.40 is: 1,302,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,278.80 : 2,049,418.20 = 868,000.40 : x
  2. Step 2: Convert to fraction form
    1,366,278.80/2,049,418.20 = 868,000.40/x
  3. Step 3: Cross multiply
    1,366,278.80x = 2,049,418.20 × 868,000.40
  4. Step 4: Simplify right side
    1,366,278.80x = 1,778,895,817,367.28
  5. Step 5: Solve for x
    x = 1,778,895,817,367.28/1,366,278.80
  6. Step 6: Final answer
    x = 1,302,000.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.