Home / 1,010,168.97-1,515,216.54-300,178.56

Finding the Fourth Proportional to 1,010,168.97, 1,515,216.54 and 300,178.56

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Solution

The fourth proportional to 1,010,168.97, 1,515,216.54 and 300,178.56 is: 450,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,168.97 : 1,515,216.54 = 300,178.56 : x
  2. Step 2: Convert to fraction form
    1,010,168.97/1,515,216.54 = 300,178.56/x
  3. Step 3: Cross multiply
    1,010,168.97x = 1,515,216.54 × 300,178.56
  4. Step 4: Simplify right side
    1,010,168.97x = 454,835,519,065.38
  5. Step 5: Solve for x
    x = 454,835,519,065.38/1,010,168.97
  6. Step 6: Final answer
    x = 450,256.87

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1.5x scale

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.