Home / 1,103,694-1,654,155.96-471,865.20

Finding the Fourth Proportional to 1,103,694, 1,654,155.96 and 471,865.20

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Solution

The fourth proportional to 1,103,694, 1,654,155.96 and 471,865.20 is: 707,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,694 : 1,654,155.96 = 471,865.20 : x
  2. Step 2: Convert to fraction form
    1,103,694/1,654,155.96 = 471,865.20/x
  3. Step 3: Cross multiply
    1,103,694x = 1,654,155.96 × 471,865.20
  4. Step 4: Simplify right side
    1,103,694x = 780,538,632,896.59
  5. Step 5: Solve for x
    x = 780,538,632,896.59/1,103,694
  6. Step 6: Final answer
    x = 707,205.65

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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.