Home / 1,482,781.52-2,221,633.54-809,335.57

Finding the Fourth Proportional to 1,482,781.52, 2,221,633.54 and 809,335.57

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Solution

The fourth proportional to 1,482,781.52, 2,221,633.54 and 809,335.57 is: 1,212,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,781.52 : 2,221,633.54 = 809,335.57 : x
  2. Step 2: Convert to fraction form
    1,482,781.52/2,221,633.54 = 809,335.57/x
  3. Step 3: Cross multiply
    1,482,781.52x = 2,221,633.54 × 809,335.57
  4. Step 4: Simplify right side
    1,482,781.52x = 1,798,047,047,427.02
  5. Step 5: Solve for x
    x = 1,798,047,047,427.02/1,482,781.52
  6. Step 6: Final answer
    x = 1,212,617.65

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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.