Home / 1,145,540.98-1,580,818.98-636,243.76

Finding the Fourth Proportional to 1,145,540.98, 1,580,818.98 and 636,243.76

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Solution

The fourth proportional to 1,145,540.98, 1,580,818.98 and 636,243.76 is: 878,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,540.98 : 1,580,818.98 = 636,243.76 : x
  2. Step 2: Convert to fraction form
    1,145,540.98/1,580,818.98 = 636,243.76/x
  3. Step 3: Cross multiply
    1,145,540.98x = 1,580,818.98 × 636,243.76
  4. Step 4: Simplify right side
    1,145,540.98x = 1,005,786,211,714.56
  5. Step 5: Solve for x
    x = 1,005,786,211,714.56/1,145,540.98
  6. Step 6: Final answer
    x = 878,001.07

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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.