Home / 1,508,868.78-2,082,264.15-864,345.18

Finding the Fourth Proportional to 1,508,868.78, 2,082,264.15 and 864,345.18

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Solution

The fourth proportional to 1,508,868.78, 2,082,264.15 and 864,345.18 is: 1,192,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,868.78 : 2,082,264.15 = 864,345.18 : x
  2. Step 2: Convert to fraction form
    1,508,868.78/2,082,264.15 = 864,345.18/x
  3. Step 3: Cross multiply
    1,508,868.78x = 2,082,264.15 × 864,345.18
  4. Step 4: Simplify right side
    1,508,868.78x = 1,799,794,981,539.30
  5. Step 5: Solve for x
    x = 1,799,794,981,539.30/1,508,868.78
  6. Step 6: Final answer
    x = 1,192,810.80

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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.