Home / 1,805,434.68-2,491,529.96-978,534.68

Finding the Fourth Proportional to 1,805,434.68, 2,491,529.96 and 978,534.68

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Solution

The fourth proportional to 1,805,434.68, 2,491,529.96 and 978,534.68 is: 1,350,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,434.68 : 2,491,529.96 = 978,534.68 : x
  2. Step 2: Convert to fraction form
    1,805,434.68/2,491,529.96 = 978,534.68/x
  3. Step 3: Cross multiply
    1,805,434.68x = 2,491,529.96 × 978,534.68
  4. Step 4: Simplify right side
    1,805,434.68x = 2,438,048,462,107.70
  5. Step 5: Solve for x
    x = 2,438,048,462,107.70/1,805,434.68
  6. Step 6: Final answer
    x = 1,350,394.16

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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.