Home / 1,434,694.56-1,979,854.57-790,174.73

Finding the Fourth Proportional to 1,434,694.56, 1,979,854.57 and 790,174.73

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Solution

The fourth proportional to 1,434,694.56, 1,979,854.57 and 790,174.73 is: 1,090,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,694.56 : 1,979,854.57 = 790,174.73 : x
  2. Step 2: Convert to fraction form
    1,434,694.56/1,979,854.57 = 790,174.73/x
  3. Step 3: Cross multiply
    1,434,694.56x = 1,979,854.57 × 790,174.73
  4. Step 4: Simplify right side
    1,434,694.56x = 1,564,431,036,438.87
  5. Step 5: Solve for x
    x = 1,564,431,036,438.87/1,434,694.56
  6. Step 6: Final answer
    x = 1,090,427.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.