Home / 1,145,445.24-1,580,714.44-636,195

Finding the Fourth Proportional to 1,145,445.24, 1,580,714.44 and 636,195

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Solution

The fourth proportional to 1,145,445.24, 1,580,714.44 and 636,195 is: 877,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,445.24 : 1,580,714.44 = 636,195 : x
  2. Step 2: Convert to fraction form
    1,145,445.24/1,580,714.44 = 636,195/x
  3. Step 3: Cross multiply
    1,145,445.24x = 1,580,714.44 × 636,195
  4. Step 4: Simplify right side
    1,145,445.24x = 1,005,642,623,155.80
  5. Step 5: Solve for x
    x = 1,005,642,623,155.80/1,145,445.24
  6. Step 6: Final answer
    x = 877,949.10

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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.