Home / 1,478,371.23-2,040,155.19-799,307.73

Finding the Fourth Proportional to 1,478,371.23, 2,040,155.19 and 799,307.73

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Solution

The fourth proportional to 1,478,371.23, 2,040,155.19 and 799,307.73 is: 1,103,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,371.23 : 2,040,155.19 = 799,307.73 : x
  2. Step 2: Convert to fraction form
    1,478,371.23/2,040,155.19 = 799,307.73/x
  3. Step 3: Cross multiply
    1,478,371.23x = 2,040,155.19 × 799,307.73
  4. Step 4: Simplify right side
    1,478,371.23x = 1,630,711,813,766.62
  5. Step 5: Solve for x
    x = 1,630,711,813,766.62/1,478,371.23
  6. Step 6: Final answer
    x = 1,103,046.23

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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.