Home / 1,057,238.55-1,458,634.10-675,488.79

Finding the Fourth Proportional to 1,057,238.55, 1,458,634.10 and 675,488.79

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Solution

The fourth proportional to 1,057,238.55, 1,458,634.10 and 675,488.79 is: 931,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,238.55 : 1,458,634.10 = 675,488.79 : x
  2. Step 2: Convert to fraction form
    1,057,238.55/1,458,634.10 = 675,488.79/x
  3. Step 3: Cross multiply
    1,057,238.55x = 1,458,634.10 × 675,488.79
  4. Step 4: Simplify right side
    1,057,238.55x = 985,290,979,884.30
  5. Step 5: Solve for x
    x = 985,290,979,884.30/1,057,238.55
  6. Step 6: Final answer
    x = 931,947.65

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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.