Home / 1,545,708.80-2,318,563.20-408,468.80

Finding the Fourth Proportional to 1,545,708.80, 2,318,563.20 and 408,468.80

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Solution

The fourth proportional to 1,545,708.80, 2,318,563.20 and 408,468.80 is: 612,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,708.80 : 2,318,563.20 = 408,468.80 : x
  2. Step 2: Convert to fraction form
    1,545,708.80/2,318,563.20 = 408,468.80/x
  3. Step 3: Cross multiply
    1,545,708.80x = 2,318,563.20 × 408,468.80
  4. Step 4: Simplify right side
    1,545,708.80x = 947,060,728,028.16
  5. Step 5: Solve for x
    x = 947,060,728,028.16/1,545,708.80
  6. Step 6: Final answer
    x = 612,703.20

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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.