Home / 1,458,381.87-2,187,791.64-511,585.83

Finding the Fourth Proportional to 1,458,381.87, 2,187,791.64 and 511,585.83

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Solution

The fourth proportional to 1,458,381.87, 2,187,791.64 and 511,585.83 is: 767,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,381.87 : 2,187,791.64 = 511,585.83 : x
  2. Step 2: Convert to fraction form
    1,458,381.87/2,187,791.64 = 511,585.83/x
  3. Step 3: Cross multiply
    1,458,381.87x = 2,187,791.64 × 511,585.83
  4. Step 4: Simplify right side
    1,458,381.87x = 1,119,243,202,016.46
  5. Step 5: Solve for x
    x = 1,119,243,202,016.46/1,458,381.87
  6. Step 6: Final answer
    x = 767,455.51

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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.