Home / 1,545,752.80-2,318,629.20-408,512.80

Finding the Fourth Proportional to 1,545,752.80, 2,318,629.20 and 408,512.80

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Solution

The fourth proportional to 1,545,752.80, 2,318,629.20 and 408,512.80 is: 612,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,752.80 : 2,318,629.20 = 408,512.80 : x
  2. Step 2: Convert to fraction form
    1,545,752.80/2,318,629.20 = 408,512.80/x
  3. Step 3: Cross multiply
    1,545,752.80x = 2,318,629.20 × 408,512.80
  4. Step 4: Simplify right side
    1,545,752.80x = 947,189,706,653.76
  5. Step 5: Solve for x
    x = 947,189,706,653.76/1,545,752.80
  6. Step 6: Final answer
    x = 612,769.20

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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.