Home / 1,480,209.12-2,220,523.20-455,623.92

Finding the Fourth Proportional to 1,480,209.12, 2,220,523.20 and 455,623.92

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Solution

The fourth proportional to 1,480,209.12, 2,220,523.20 and 455,623.92 is: 683,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,209.12 : 2,220,523.20 = 455,623.92 : x
  2. Step 2: Convert to fraction form
    1,480,209.12/2,220,523.20 = 455,623.92/x
  3. Step 3: Cross multiply
    1,480,209.12x = 2,220,523.20 × 455,623.92
  4. Step 4: Simplify right side
    1,480,209.12x = 1,011,723,484,834.94
  5. Step 5: Solve for x
    x = 1,011,723,484,834.94/1,480,209.12
  6. Step 6: Final answer
    x = 683,500.37

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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.