Home / 1,378,895.18-2,068,351.92-480,353.90

Finding the Fourth Proportional to 1,378,895.18, 2,068,351.92 and 480,353.90

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Solution

The fourth proportional to 1,378,895.18, 2,068,351.92 and 480,353.90 is: 720,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,895.18 : 2,068,351.92 = 480,353.90 : x
  2. Step 2: Convert to fraction form
    1,378,895.18/2,068,351.92 = 480,353.90/x
  3. Step 3: Cross multiply
    1,378,895.18x = 2,068,351.92 × 480,353.90
  4. Step 4: Simplify right side
    1,378,895.18x = 993,540,901,002.73
  5. Step 5: Solve for x
    x = 993,540,901,002.73/1,378,895.18
  6. Step 6: Final answer
    x = 720,534.03

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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.