Home / 1,317,249.83-1,817,781.06-744,277.70

Finding the Fourth Proportional to 1,317,249.83, 1,817,781.06 and 744,277.70

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Solution

The fourth proportional to 1,317,249.83, 1,817,781.06 and 744,277.70 is: 1,027,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,249.83 : 1,817,781.06 = 744,277.70 : x
  2. Step 2: Convert to fraction form
    1,317,249.83/1,817,781.06 = 744,277.70/x
  3. Step 3: Cross multiply
    1,317,249.83x = 1,817,781.06 × 744,277.70
  4. Step 4: Simplify right side
    1,317,249.83x = 1,352,933,903,112.48
  5. Step 5: Solve for x
    x = 1,352,933,903,112.48/1,317,249.83
  6. Step 6: Final answer
    x = 1,027,089.83

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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.