Home / 1,165,658.31-1,607,992.76-802,451.61

Finding the Fourth Proportional to 1,165,658.31, 1,607,992.76 and 802,451.61

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Solution

The fourth proportional to 1,165,658.31, 1,607,992.76 and 802,451.61 is: 1,106,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,658.31 : 1,607,992.76 = 802,451.61 : x
  2. Step 2: Convert to fraction form
    1,165,658.31/1,607,992.76 = 802,451.61/x
  3. Step 3: Cross multiply
    1,165,658.31x = 1,607,992.76 × 802,451.61
  4. Step 4: Simplify right side
    1,165,658.31x = 1,290,336,381,136.47
  5. Step 5: Solve for x
    x = 1,290,336,381,136.47/1,165,658.31
  6. Step 6: Final answer
    x = 1,106,959.36

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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.