Home / 1,654,934.40-2,482,401.60-815,126.40

Finding the Fourth Proportional to 1,654,934.40, 2,482,401.60 and 815,126.40

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Solution

The fourth proportional to 1,654,934.40, 2,482,401.60 and 815,126.40 is: 1,222,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,934.40 : 2,482,401.60 = 815,126.40 : x
  2. Step 2: Convert to fraction form
    1,654,934.40/2,482,401.60 = 815,126.40/x
  3. Step 3: Cross multiply
    1,654,934.40x = 2,482,401.60 × 815,126.40
  4. Step 4: Simplify right side
    1,654,934.40x = 2,023,471,079,562.24
  5. Step 5: Solve for x
    x = 2,023,471,079,562.24/1,654,934.40
  6. Step 6: Final answer
    x = 1,222,689.60

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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.