Home / 1,180,141.29-1,628,592.57-663,895.53

Finding the Fourth Proportional to 1,180,141.29, 1,628,592.57 and 663,895.53

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Solution

The fourth proportional to 1,180,141.29, 1,628,592.57 and 663,895.53 is: 916,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,141.29 : 1,628,592.57 = 663,895.53 : x
  2. Step 2: Convert to fraction form
    1,180,141.29/1,628,592.57 = 663,895.53/x
  3. Step 3: Cross multiply
    1,180,141.29x = 1,628,592.57 × 663,895.53
  4. Step 4: Simplify right side
    1,180,141.29x = 1,081,215,327,414.21
  5. Step 5: Solve for x
    x = 1,081,215,327,414.21/1,180,141.29
  6. Step 6: Final answer
    x = 916,174.48

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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.