Home / 1,458,389.65-2,187,803.27-511,593.61

Finding the Fourth Proportional to 1,458,389.65, 2,187,803.27 and 511,593.61

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Solution

The fourth proportional to 1,458,389.65, 2,187,803.27 and 511,593.61 is: 767,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,389.65 : 2,187,803.27 = 511,593.61 : x
  2. Step 2: Convert to fraction form
    1,458,389.65/2,187,803.27 = 511,593.61/x
  3. Step 3: Cross multiply
    1,458,389.65x = 2,187,803.27 × 511,593.61
  4. Step 4: Simplify right side
    1,458,389.65x = 1,119,266,172,869.10
  5. Step 5: Solve for x
    x = 1,119,266,172,869.10/1,458,389.65
  6. Step 6: Final answer
    x = 767,467.17

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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.