Home / 1,102,171.70-1,653,257.55-472,315.70

Finding the Fourth Proportional to 1,102,171.70, 1,653,257.55 and 472,315.70

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Solution

The fourth proportional to 1,102,171.70, 1,653,257.55 and 472,315.70 is: 708,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,171.70 : 1,653,257.55 = 472,315.70 : x
  2. Step 2: Convert to fraction form
    1,102,171.70/1,653,257.55 = 472,315.70/x
  3. Step 3: Cross multiply
    1,102,171.70x = 1,653,257.55 × 472,315.70
  4. Step 4: Simplify right side
    1,102,171.70x = 780,859,497,008.54
  5. Step 5: Solve for x
    x = 780,859,497,008.54/1,102,171.70
  6. Step 6: Final answer
    x = 708,473.55

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Double scale
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Similar ratio
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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.