Home / 1,019,517.72-1,529,177.64-309,551.91

Finding the Fourth Proportional to 1,019,517.72, 1,529,177.64 and 309,551.91

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Solution

The fourth proportional to 1,019,517.72, 1,529,177.64 and 309,551.91 is: 464,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,517.72 : 1,529,177.64 = 309,551.91 : x
  2. Step 2: Convert to fraction form
    1,019,517.72/1,529,177.64 = 309,551.91/x
  3. Step 3: Cross multiply
    1,019,517.72x = 1,529,177.64 × 309,551.91
  4. Step 4: Simplify right side
    1,019,517.72x = 473,359,859,191.29
  5. Step 5: Solve for x
    x = 473,359,859,191.29/1,019,517.72
  6. Step 6: Final answer
    x = 464,297.82

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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.