Home / 1,639,680-2,262,758.40-924,288

Finding the Fourth Proportional to 1,639,680, 2,262,758.40 and 924,288

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Solution

The fourth proportional to 1,639,680, 2,262,758.40 and 924,288 is: 1,275,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,680 : 2,262,758.40 = 924,288 : x
  2. Step 2: Convert to fraction form
    1,639,680/2,262,758.40 = 924,288/x
  3. Step 3: Cross multiply
    1,639,680x = 2,262,758.40 × 924,288
  4. Step 4: Simplify right side
    1,639,680x = 2,091,440,436,019.20
  5. Step 5: Solve for x
    x = 2,091,440,436,019.20/1,639,680
  6. Step 6: Final answer
    x = 1,275,517.44

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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.