Home / 1,122,276.75-1,548,741.92-612,980.34

Finding the Fourth Proportional to 1,122,276.75, 1,548,741.92 and 612,980.34

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Solution

The fourth proportional to 1,122,276.75, 1,548,741.92 and 612,980.34 is: 845,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,276.75 : 1,548,741.92 = 612,980.34 : x
  2. Step 2: Convert to fraction form
    1,122,276.75/1,548,741.92 = 612,980.34/x
  3. Step 3: Cross multiply
    1,122,276.75x = 1,548,741.92 × 612,980.34
  4. Step 4: Simplify right side
    1,122,276.75x = 949,348,345,628.95
  5. Step 5: Solve for x
    x = 949,348,345,628.95/1,122,276.75
  6. Step 6: Final answer
    x = 845,912.87

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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.