Home / 1,079,069.46-1,618,253.76-359,217.78

Finding the Fourth Proportional to 1,079,069.46, 1,618,253.76 and 359,217.78

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Solution

The fourth proportional to 1,079,069.46, 1,618,253.76 and 359,217.78 is: 538,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,069.46 : 1,618,253.76 = 359,217.78 : x
  2. Step 2: Convert to fraction form
    1,079,069.46/1,618,253.76 = 359,217.78/x
  3. Step 3: Cross multiply
    1,079,069.46x = 1,618,253.76 × 359,217.78
  4. Step 4: Simplify right side
    1,079,069.46x = 581,305,523,143.85
  5. Step 5: Solve for x
    x = 581,305,523,143.85/1,079,069.46
  6. Step 6: Final answer
    x = 538,710.01

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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.