Home / 1,521,290.79-2,282,286.15-510,546.87

Finding the Fourth Proportional to 1,521,290.79, 2,282,286.15 and 510,546.87

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Solution

The fourth proportional to 1,521,290.79, 2,282,286.15 and 510,546.87 is: 765,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,290.79 : 2,282,286.15 = 510,546.87 : x
  2. Step 2: Convert to fraction form
    1,521,290.79/2,282,286.15 = 510,546.87/x
  3. Step 3: Cross multiply
    1,521,290.79x = 2,282,286.15 × 510,546.87
  4. Step 4: Simplify right side
    1,521,290.79x = 1,165,214,050,326.85
  5. Step 5: Solve for x
    x = 1,165,214,050,326.85/1,521,290.79
  6. Step 6: Final answer
    x = 765,937.75

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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.