Home / 1,078,969.80-1,618,758.16-471,811.56

Finding the Fourth Proportional to 1,078,969.80, 1,618,758.16 and 471,811.56

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Solution

The fourth proportional to 1,078,969.80, 1,618,758.16 and 471,811.56 is: 707,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,969.80 : 1,618,758.16 = 471,811.56 : x
  2. Step 2: Convert to fraction form
    1,078,969.80/1,618,758.16 = 471,811.56/x
  3. Step 3: Cross multiply
    1,078,969.80x = 1,618,758.16 × 471,811.56
  4. Step 4: Simplify right side
    1,078,969.80x = 763,748,812,732.33
  5. Step 5: Solve for x
    x = 763,748,812,732.33/1,078,969.80
  6. Step 6: Final answer
    x = 707,850.04

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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.