Home / 1,079,296.82-1,490,754.93-808,575.86

Finding the Fourth Proportional to 1,079,296.82, 1,490,754.93 and 808,575.86

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Solution

The fourth proportional to 1,079,296.82, 1,490,754.93 and 808,575.86 is: 1,116,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,296.82 : 1,490,754.93 = 808,575.86 : x
  2. Step 2: Convert to fraction form
    1,079,296.82/1,490,754.93 = 808,575.86/x
  3. Step 3: Cross multiply
    1,079,296.82x = 1,490,754.93 × 808,575.86
  4. Step 4: Simplify right side
    1,079,296.82x = 1,205,388,449,573.99
  5. Step 5: Solve for x
    x = 1,205,388,449,573.99/1,079,296.82
  6. Step 6: Final answer
    x = 1,116,827.57

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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.