Home / 1,244,794.30-1,867,191.45-772,402.30

Finding the Fourth Proportional to 1,244,794.30, 1,867,191.45 and 772,402.30

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Solution

The fourth proportional to 1,244,794.30, 1,867,191.45 and 772,402.30 is: 1,158,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,794.30 : 1,867,191.45 = 772,402.30 : x
  2. Step 2: Convert to fraction form
    1,244,794.30/1,867,191.45 = 772,402.30/x
  3. Step 3: Cross multiply
    1,244,794.30x = 1,867,191.45 × 772,402.30
  4. Step 4: Simplify right side
    1,244,794.30x = 1,442,222,970,520.34
  5. Step 5: Solve for x
    x = 1,442,222,970,520.34/1,244,794.30
  6. Step 6: Final answer
    x = 1,158,603.45

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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.