Home / 1,976,528.70-2,964,793.05-480,620.70

Finding the Fourth Proportional to 1,976,528.70, 2,964,793.05 and 480,620.70

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Solution

The fourth proportional to 1,976,528.70, 2,964,793.05 and 480,620.70 is: 720,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,528.70 : 2,964,793.05 = 480,620.70 : x
  2. Step 2: Convert to fraction form
    1,976,528.70/2,964,793.05 = 480,620.70/x
  3. Step 3: Cross multiply
    1,976,528.70x = 2,964,793.05 × 480,620.70
  4. Step 4: Simplify right side
    1,976,528.70x = 1,424,940,911,046.14
  5. Step 5: Solve for x
    x = 1,424,940,911,046.14/1,976,528.70
  6. Step 6: Final answer
    x = 720,931.05

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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.