Home / 1,815,079.10-2,504,714.06-999,123.41

Finding the Fourth Proportional to 1,815,079.10, 2,504,714.06 and 999,123.41

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Solution

The fourth proportional to 1,815,079.10, 2,504,714.06 and 999,123.41 is: 1,378,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,079.10 : 2,504,714.06 = 999,123.41 : x
  2. Step 2: Convert to fraction form
    1,815,079.10/2,504,714.06 = 999,123.41/x
  3. Step 3: Cross multiply
    1,815,079.10x = 2,504,714.06 × 999,123.41
  4. Step 4: Simplify right side
    1,815,079.10x = 2,502,518,451,607.20
  5. Step 5: Solve for x
    x = 2,502,518,451,607.20/1,815,079.10
  6. Step 6: Final answer
    x = 1,378,737.96

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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.