Home / 999,462.30-1,379,252.79-540,576.39

Finding the Fourth Proportional to 999,462.30, 1,379,252.79 and 540,576.39

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Solution

The fourth proportional to 999,462.30, 1,379,252.79 and 540,576.39 is: 745,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,462.30 : 1,379,252.79 = 540,576.39 : x
  2. Step 2: Convert to fraction form
    999,462.30/1,379,252.79 = 540,576.39/x
  3. Step 3: Cross multiply
    999,462.30x = 1,379,252.79 × 540,576.39
  4. Step 4: Simplify right side
    999,462.30x = 745,591,494,115.63
  5. Step 5: Solve for x
    x = 745,591,494,115.63/999,462.30
  6. Step 6: Final answer
    x = 745,992.61

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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.