Home / 1,805,299.22-2,491,290.60-978,355.02

Finding the Fourth Proportional to 1,805,299.22, 2,491,290.60 and 978,355.02

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Solution

The fourth proportional to 1,805,299.22, 2,491,290.60 and 978,355.02 is: 1,350,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,299.22 : 2,491,290.60 = 978,355.02 : x
  2. Step 2: Convert to fraction form
    1,805,299.22/2,491,290.60 = 978,355.02/x
  3. Step 3: Cross multiply
    1,805,299.22x = 2,491,290.60 × 978,355.02
  4. Step 4: Simplify right side
    1,805,299.22x = 2,437,366,664,788.81
  5. Step 5: Solve for x
    x = 2,437,366,664,788.81/1,805,299.22
  6. Step 6: Final answer
    x = 1,350,117.83

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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.