Home / 1,078,974-1,618,538.76-414,126

Finding the Fourth Proportional to 1,078,974, 1,618,538.76 and 414,126

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Solution

The fourth proportional to 1,078,974, 1,618,538.76 and 414,126 is: 621,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,974 : 1,618,538.76 = 414,126 : x
  2. Step 2: Convert to fraction form
    1,078,974/1,618,538.76 = 414,126/x
  3. Step 3: Cross multiply
    1,078,974x = 1,618,538.76 × 414,126
  4. Step 4: Simplify right side
    1,078,974x = 670,278,982,523.76
  5. Step 5: Solve for x
    x = 670,278,982,523.76/1,078,974
  6. Step 6: Final answer
    x = 621,218.85

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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.