Home / 1,079,296.32-1,490,754.24-808,575.36

Finding the Fourth Proportional to 1,079,296.32, 1,490,754.24 and 808,575.36

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Solution

The fourth proportional to 1,079,296.32, 1,490,754.24 and 808,575.36 is: 1,116,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,296.32 : 1,490,754.24 = 808,575.36 : x
  2. Step 2: Convert to fraction form
    1,079,296.32/1,490,754.24 = 808,575.36/x
  3. Step 3: Cross multiply
    1,079,296.32x = 1,490,754.24 × 808,575.36
  4. Step 4: Simplify right side
    1,079,296.32x = 1,205,387,146,279.53
  5. Step 5: Solve for x
    x = 1,205,387,146,279.53/1,079,296.32
  6. Step 6: Final answer
    x = 1,116,826.88

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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.