Home / 1,008,069.90-1,512,104.85-779,747.10

Finding the Fourth Proportional to 1,008,069.90, 1,512,104.85 and 779,747.10

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Solution

The fourth proportional to 1,008,069.90, 1,512,104.85 and 779,747.10 is: 1,169,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,069.90 : 1,512,104.85 = 779,747.10 : x
  2. Step 2: Convert to fraction form
    1,008,069.90/1,512,104.85 = 779,747.10/x
  3. Step 3: Cross multiply
    1,008,069.90x = 1,512,104.85 × 779,747.10
  4. Step 4: Simplify right side
    1,008,069.90x = 1,179,059,371,683.44
  5. Step 5: Solve for x
    x = 1,179,059,371,683.44/1,008,069.90
  6. Step 6: Final answer
    x = 1,169,620.65

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Why These Related Problems?

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