Home / 1,625,732.85-2,243,481.96-900,578.32

Finding the Fourth Proportional to 1,625,732.85, 2,243,481.96 and 900,578.32

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Solution

The fourth proportional to 1,625,732.85, 2,243,481.96 and 900,578.32 is: 1,242,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,732.85 : 2,243,481.96 = 900,578.32 : x
  2. Step 2: Convert to fraction form
    1,625,732.85/2,243,481.96 = 900,578.32/x
  3. Step 3: Cross multiply
    1,625,732.85x = 2,243,481.96 × 900,578.32
  4. Step 4: Simplify right side
    1,625,732.85x = 2,020,431,214,487.11
  5. Step 5: Solve for x
    x = 2,020,431,214,487.11/1,625,732.85
  6. Step 6: Final answer
    x = 1,242,781.81

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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.