Home / 1,374,452.40-2,058,179.40-1,311,466.80

Finding the Fourth Proportional to 1,374,452.40, 2,058,179.40 and 1,311,466.80

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Solution

The fourth proportional to 1,374,452.40, 2,058,179.40 and 1,311,466.80 is: 1,963,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,452.40 : 2,058,179.40 = 1,311,466.80 : x
  2. Step 2: Convert to fraction form
    1,374,452.40/2,058,179.40 = 1,311,466.80/x
  3. Step 3: Cross multiply
    1,374,452.40x = 2,058,179.40 × 1,311,466.80
  4. Step 4: Simplify right side
    1,374,452.40x = 2,699,233,951,543.92
  5. Step 5: Solve for x
    x = 2,699,233,951,543.92/1,374,452.40
  6. Step 6: Final answer
    x = 1,963,861.35

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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.