Home / 1,382,935.80-2,074,400.10-385,663.80

Finding the Fourth Proportional to 1,382,935.80, 2,074,400.10 and 385,663.80

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Solution

The fourth proportional to 1,382,935.80, 2,074,400.10 and 385,663.80 is: 578,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,935.80 : 2,074,400.10 = 385,663.80 : x
  2. Step 2: Convert to fraction form
    1,382,935.80/2,074,400.10 = 385,663.80/x
  3. Step 3: Cross multiply
    1,382,935.80x = 2,074,400.10 × 385,663.80
  4. Step 4: Simplify right side
    1,382,935.80x = 800,021,025,286.38
  5. Step 5: Solve for x
    x = 800,021,025,286.38/1,382,935.80
  6. Step 6: Final answer
    x = 578,494.70

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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.