Home / 1,426,823.73-1,969,016.22-782,230.14

Finding the Fourth Proportional to 1,426,823.73, 1,969,016.22 and 782,230.14

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Solution

The fourth proportional to 1,426,823.73, 1,969,016.22 and 782,230.14 is: 1,079,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,823.73 : 1,969,016.22 = 782,230.14 : x
  2. Step 2: Convert to fraction form
    1,426,823.73/1,969,016.22 = 782,230.14/x
  3. Step 3: Cross multiply
    1,426,823.73x = 1,969,016.22 × 782,230.14
  4. Step 4: Simplify right side
    1,426,823.73x = 1,540,223,833,432.87
  5. Step 5: Solve for x
    x = 1,540,223,833,432.87/1,426,823.73
  6. Step 6: Final answer
    x = 1,079,477.30

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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.