Home / 999,740.66-1,379,636.33-540,853.79

Finding the Fourth Proportional to 999,740.66, 1,379,636.33 and 540,853.79

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Solution

The fourth proportional to 999,740.66, 1,379,636.33 and 540,853.79 is: 746,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,740.66 : 1,379,636.33 = 540,853.79 : x
  2. Step 2: Convert to fraction form
    999,740.66/1,379,636.33 = 540,853.79/x
  3. Step 3: Cross multiply
    999,740.66x = 1,379,636.33 × 540,853.79
  4. Step 4: Simplify right side
    999,740.66x = 746,181,528,299.74
  5. Step 5: Solve for x
    x = 746,181,528,299.74/999,740.66
  6. Step 6: Final answer
    x = 746,375.10

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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.