Home / 1,431,714.20-2,147,521.80-366,766.70

Finding the Fourth Proportional to 1,431,714.20, 2,147,521.80 and 366,766.70

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Solution

The fourth proportional to 1,431,714.20, 2,147,521.80 and 366,766.70 is: 550,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,714.20 : 2,147,521.80 = 366,766.70 : x
  2. Step 2: Convert to fraction form
    1,431,714.20/2,147,521.80 = 366,766.70/x
  3. Step 3: Cross multiply
    1,431,714.20x = 2,147,521.80 × 366,766.70
  4. Step 4: Simplify right side
    1,431,714.20x = 787,639,483,764.06
  5. Step 5: Solve for x
    x = 787,639,483,764.06/1,431,714.20
  6. Step 6: Final answer
    x = 550,137.37

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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.