Home / 1,008,549.25-1,393,160.96-806,019.69

Finding the Fourth Proportional to 1,008,549.25, 1,393,160.96 and 806,019.69

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Solution

The fourth proportional to 1,008,549.25, 1,393,160.96 and 806,019.69 is: 1,113,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,549.25 : 1,393,160.96 = 806,019.69 : x
  2. Step 2: Convert to fraction form
    1,008,549.25/1,393,160.96 = 806,019.69/x
  3. Step 3: Cross multiply
    1,008,549.25x = 1,393,160.96 × 806,019.69
  4. Step 4: Simplify right side
    1,008,549.25x = 1,122,915,154,916.62
  5. Step 5: Solve for x
    x = 1,122,915,154,916.62/1,008,549.25
  6. Step 6: Final answer
    x = 1,113,396.45

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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.