Home / 1,538,992-2,123,769.36-859,934.08

Finding the Fourth Proportional to 1,538,992, 2,123,769.36 and 859,934.08

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Solution

The fourth proportional to 1,538,992, 2,123,769.36 and 859,934.08 is: 1,186,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,992 : 2,123,769.36 = 859,934.08 : x
  2. Step 2: Convert to fraction form
    1,538,992/2,123,769.36 = 859,934.08/x
  3. Step 3: Cross multiply
    1,538,992x = 2,123,769.36 × 859,934.08
  4. Step 4: Simplify right side
    1,538,992x = 1,826,301,650,723.79
  5. Step 5: Solve for x
    x = 1,826,301,650,723.79/1,538,992
  6. Step 6: Final answer
    x = 1,186,686.90

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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.