Home / 1,378,744.29-2,068,172.07-480,276.90

Finding the Fourth Proportional to 1,378,744.29, 2,068,172.07 and 480,276.90

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Solution

The fourth proportional to 1,378,744.29, 2,068,172.07 and 480,276.90 is: 720,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,744.29 : 2,068,172.07 = 480,276.90 : x
  2. Step 2: Convert to fraction form
    1,378,744.29/2,068,172.07 = 480,276.90/x
  3. Step 3: Cross multiply
    1,378,744.29x = 2,068,172.07 × 480,276.90
  4. Step 4: Simplify right side
    1,378,744.29x = 993,295,270,446.18
  5. Step 5: Solve for x
    x = 993,295,270,446.18/1,378,744.29
  6. Step 6: Final answer
    x = 720,434.73

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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.