Home / 1,311,748.73-1,810,269.45-730,972.65

Finding the Fourth Proportional to 1,311,748.73, 1,810,269.45 and 730,972.65

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Solution

The fourth proportional to 1,311,748.73, 1,810,269.45 and 730,972.65 is: 1,008,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,748.73 : 1,810,269.45 = 730,972.65 : x
  2. Step 2: Convert to fraction form
    1,311,748.73/1,810,269.45 = 730,972.65/x
  3. Step 3: Cross multiply
    1,311,748.73x = 1,810,269.45 × 730,972.65
  4. Step 4: Simplify right side
    1,311,748.73x = 1,323,257,457,080.54
  5. Step 5: Solve for x
    x = 1,323,257,457,080.54/1,311,748.73
  6. Step 6: Final answer
    x = 1,008,773.58

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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.