Home / 1,218,023.56-1,826,991.60-319,458.16

Finding the Fourth Proportional to 1,218,023.56, 1,826,991.60 and 319,458.16

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Solution

The fourth proportional to 1,218,023.56, 1,826,991.60 and 319,458.16 is: 479,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,023.56 : 1,826,991.60 = 319,458.16 : x
  2. Step 2: Convert to fraction form
    1,218,023.56/1,826,991.60 = 319,458.16/x
  3. Step 3: Cross multiply
    1,218,023.56x = 1,826,991.60 × 319,458.16
  4. Step 4: Simplify right side
    1,218,023.56x = 583,647,374,871.46
  5. Step 5: Solve for x
    x = 583,647,374,871.46/1,218,023.56
  6. Step 6: Final answer
    x = 479,175.77

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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.