Home / 1,145,445.26-1,580,714.44-636,195.02

Finding the Fourth Proportional to 1,145,445.26, 1,580,714.44 and 636,195.02

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Solution

The fourth proportional to 1,145,445.26, 1,580,714.44 and 636,195.02 is: 877,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,445.26 : 1,580,714.44 = 636,195.02 : x
  2. Step 2: Convert to fraction form
    1,145,445.26/1,580,714.44 = 636,195.02/x
  3. Step 3: Cross multiply
    1,145,445.26x = 1,580,714.44 × 636,195.02
  4. Step 4: Simplify right side
    1,145,445.26x = 1,005,642,654,770.09
  5. Step 5: Solve for x
    x = 1,005,642,654,770.09/1,145,445.26
  6. Step 6: Final answer
    x = 877,949.12

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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.