Home / 1,108,999.80-1,664,277.30-478,366.20

Finding the Fourth Proportional to 1,108,999.80, 1,664,277.30 and 478,366.20

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Solution

The fourth proportional to 1,108,999.80, 1,664,277.30 and 478,366.20 is: 717,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,999.80 : 1,664,277.30 = 478,366.20 : x
  2. Step 2: Convert to fraction form
    1,108,999.80/1,664,277.30 = 478,366.20/x
  3. Step 3: Cross multiply
    1,108,999.80x = 1,664,277.30 × 478,366.20
  4. Step 4: Simplify right side
    1,108,999.80x = 796,134,007,747.26
  5. Step 5: Solve for x
    x = 796,134,007,747.26/1,108,999.80
  6. Step 6: Final answer
    x = 717,884.72

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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.