Home / 1,992,403.66-2,988,595.22-778,103.50

Finding the Fourth Proportional to 1,992,403.66, 2,988,595.22 and 778,103.50

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Solution

The fourth proportional to 1,992,403.66, 2,988,595.22 and 778,103.50 is: 1,167,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,403.66 : 2,988,595.22 = 778,103.50 : x
  2. Step 2: Convert to fraction form
    1,992,403.66/2,988,595.22 = 778,103.50/x
  3. Step 3: Cross multiply
    1,992,403.66x = 2,988,595.22 × 778,103.50
  4. Step 4: Simplify right side
    1,992,403.66x = 2,325,436,400,765.27
  5. Step 5: Solve for x
    x = 2,325,436,400,765.27/1,992,403.66
  6. Step 6: Final answer
    x = 1,167,151.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.