Home / 1,415,921.31-2,123,843.09-350,939.79

Finding the Fourth Proportional to 1,415,921.31, 2,123,843.09 and 350,939.79

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Solution

The fourth proportional to 1,415,921.31, 2,123,843.09 and 350,939.79 is: 526,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,921.31 : 2,123,843.09 = 350,939.79 : x
  2. Step 2: Convert to fraction form
    1,415,921.31/2,123,843.09 = 350,939.79/x
  3. Step 3: Cross multiply
    1,415,921.31x = 2,123,843.09 × 350,939.79
  4. Step 4: Simplify right side
    1,415,921.31x = 745,341,046,242.85
  5. Step 5: Solve for x
    x = 745,341,046,242.85/1,415,921.31
  6. Step 6: Final answer
    x = 526,400.05

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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.