Home / 1,172,951.52-1,618,652.88-713,899.68

Finding the Fourth Proportional to 1,172,951.52, 1,618,652.88 and 713,899.68

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Solution

The fourth proportional to 1,172,951.52, 1,618,652.88 and 713,899.68 is: 985,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,951.52 : 1,618,652.88 = 713,899.68 : x
  2. Step 2: Convert to fraction form
    1,172,951.52/1,618,652.88 = 713,899.68/x
  3. Step 3: Cross multiply
    1,172,951.52x = 1,618,652.88 × 713,899.68
  4. Step 4: Simplify right side
    1,172,951.52x = 1,155,555,773,063.08
  5. Step 5: Solve for x
    x = 1,155,555,773,063.08/1,172,951.52
  6. Step 6: Final answer
    x = 985,169.25

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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.