Home / 999,841.74-1,499,755.38-400,794.18

Finding the Fourth Proportional to 999,841.74, 1,499,755.38 and 400,794.18

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Solution

The fourth proportional to 999,841.74, 1,499,755.38 and 400,794.18 is: 601,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,841.74 : 1,499,755.38 = 400,794.18 : x
  2. Step 2: Convert to fraction form
    999,841.74/1,499,755.38 = 400,794.18/x
  3. Step 3: Cross multiply
    999,841.74x = 1,499,755.38 × 400,794.18
  4. Step 4: Simplify right side
    999,841.74x = 601,093,227,727.69
  5. Step 5: Solve for x
    x = 601,093,227,727.69/999,841.74
  6. Step 6: Final answer
    x = 601,188.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.