Home / 1,172,171.52-1,617,631.92-662,863.68

Finding the Fourth Proportional to 1,172,171.52, 1,617,631.92 and 662,863.68

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Solution

The fourth proportional to 1,172,171.52, 1,617,631.92 and 662,863.68 is: 914,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,171.52 : 1,617,631.92 = 662,863.68 : x
  2. Step 2: Convert to fraction form
    1,172,171.52/1,617,631.92 = 662,863.68/x
  3. Step 3: Cross multiply
    1,172,171.52x = 1,617,631.92 × 662,863.68
  4. Step 4: Simplify right side
    1,172,171.52x = 1,072,269,447,376.67
  5. Step 5: Solve for x
    x = 1,072,269,447,376.67/1,172,171.52
  6. Step 6: Final answer
    x = 914,771.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.