Home / 1,239,668.15-1,859,499.18-699,679.62

Finding the Fourth Proportional to 1,239,668.15, 1,859,499.18 and 699,679.62

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Solution

The fourth proportional to 1,239,668.15, 1,859,499.18 and 699,679.62 is: 1,049,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,668.15 : 1,859,499.18 = 699,679.62 : x
  2. Step 2: Convert to fraction form
    1,239,668.15/1,859,499.18 = 699,679.62/x
  3. Step 3: Cross multiply
    1,239,668.15x = 1,859,499.18 × 699,679.62
  4. Step 4: Simplify right side
    1,239,668.15x = 1,301,053,679,652.71
  5. Step 5: Solve for x
    x = 1,301,053,679,652.71/1,239,668.15
  6. Step 6: Final answer
    x = 1,049,517.72

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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.