Home / 1,458,474.06-2,187,698.13-511,622.94

Finding the Fourth Proportional to 1,458,474.06, 2,187,698.13 and 511,622.94

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Solution

The fourth proportional to 1,458,474.06, 2,187,698.13 and 511,622.94 is: 767,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,474.06 : 2,187,698.13 = 511,622.94 : x
  2. Step 2: Convert to fraction form
    1,458,474.06/2,187,698.13 = 511,622.94/x
  3. Step 3: Cross multiply
    1,458,474.06x = 2,187,698.13 × 511,622.94
  4. Step 4: Simplify right side
    1,458,474.06x = 1,119,276,549,103.10
  5. Step 5: Solve for x
    x = 1,119,276,549,103.10/1,458,474.06
  6. Step 6: Final answer
    x = 767,429.86

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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.