Home / 1,145,800.80-1,719,403.20-472,204.80

Finding the Fourth Proportional to 1,145,800.80, 1,719,403.20 and 472,204.80

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Solution

The fourth proportional to 1,145,800.80, 1,719,403.20 and 472,204.80 is: 708,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,800.80 : 1,719,403.20 = 472,204.80 : x
  2. Step 2: Convert to fraction form
    1,145,800.80/1,719,403.20 = 472,204.80/x
  3. Step 3: Cross multiply
    1,145,800.80x = 1,719,403.20 × 472,204.80
  4. Step 4: Simplify right side
    1,145,800.80x = 811,910,444,175.36
  5. Step 5: Solve for x
    x = 811,910,444,175.36/1,145,800.80
  6. Step 6: Final answer
    x = 708,596.51

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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.