Home / 1,122,427.30-1,548,982.89-613,138.02

Finding the Fourth Proportional to 1,122,427.30, 1,548,982.89 and 613,138.02

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Solution

The fourth proportional to 1,122,427.30, 1,548,982.89 and 613,138.02 is: 846,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,427.30 : 1,548,982.89 = 613,138.02 : x
  2. Step 2: Convert to fraction form
    1,122,427.30/1,548,982.89 = 613,138.02/x
  3. Step 3: Cross multiply
    1,122,427.30x = 1,548,982.89 × 613,138.02
  4. Step 4: Simplify right side
    1,122,427.30x = 949,740,302,188.48
  5. Step 5: Solve for x
    x = 949,740,302,188.48/1,122,427.30
  6. Step 6: Final answer
    x = 846,148.61

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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.