Home / 999,461.30-1,379,251.41-540,575.39

Finding the Fourth Proportional to 999,461.30, 1,379,251.41 and 540,575.39

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Solution

The fourth proportional to 999,461.30, 1,379,251.41 and 540,575.39 is: 745,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,461.30 : 1,379,251.41 = 540,575.39 : x
  2. Step 2: Convert to fraction form
    999,461.30/1,379,251.41 = 540,575.39/x
  3. Step 3: Cross multiply
    999,461.30x = 1,379,251.41 × 540,575.39
  4. Step 4: Simplify right side
    999,461.30x = 745,589,368,868.80
  5. Step 5: Solve for x
    x = 745,589,368,868.80/999,461.30
  6. Step 6: Final answer
    x = 745,991.23

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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.