Home / 1,028,351.29-1,540,518.13-708,446.65

Finding the Fourth Proportional to 1,028,351.29, 1,540,518.13 and 708,446.65

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Solution

The fourth proportional to 1,028,351.29, 1,540,518.13 and 708,446.65 is: 1,061,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,351.29 : 1,540,518.13 = 708,446.65 : x
  2. Step 2: Convert to fraction form
    1,028,351.29/1,540,518.13 = 708,446.65/x
  3. Step 3: Cross multiply
    1,028,351.29x = 1,540,518.13 × 708,446.65
  4. Step 4: Simplify right side
    1,028,351.29x = 1,091,374,908,462.76
  5. Step 5: Solve for x
    x = 1,091,374,908,462.76/1,028,351.29
  6. Step 6: Final answer
    x = 1,061,286.08

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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.