Home / 1,226,631.80-1,840,021.52-385,183.55

Finding the Fourth Proportional to 1,226,631.80, 1,840,021.52 and 385,183.55

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Solution

The fourth proportional to 1,226,631.80, 1,840,021.52 and 385,183.55 is: 577,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,631.80 : 1,840,021.52 = 385,183.55 : x
  2. Step 2: Convert to fraction form
    1,226,631.80/1,840,021.52 = 385,183.55/x
  3. Step 3: Cross multiply
    1,226,631.80x = 1,840,021.52 × 385,183.55
  4. Step 4: Simplify right side
    1,226,631.80x = 708,746,023,824.13
  5. Step 5: Solve for x
    x = 708,746,023,824.13/1,226,631.80
  6. Step 6: Final answer
    x = 577,798.51

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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.