Home / 1,078,766.14-1,618,871.58-447,680.56

Finding the Fourth Proportional to 1,078,766.14, 1,618,871.58 and 447,680.56

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Solution

The fourth proportional to 1,078,766.14, 1,618,871.58 and 447,680.56 is: 671,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,766.14 : 1,618,871.58 = 447,680.56 : x
  2. Step 2: Convert to fraction form
    1,078,766.14/1,618,871.58 = 447,680.56/x
  3. Step 3: Cross multiply
    1,078,766.14x = 1,618,871.58 × 447,680.56
  4. Step 4: Simplify right side
    1,078,766.14x = 724,737,335,502.49
  5. Step 5: Solve for x
    x = 724,737,335,502.49/1,078,766.14
  6. Step 6: Final answer
    x = 671,820.62

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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.