Home / 1,144,916.40-1,578,896.60-834,536.88

Finding the Fourth Proportional to 1,144,916.40, 1,578,896.60 and 834,536.88

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Solution

The fourth proportional to 1,144,916.40, 1,578,896.60 and 834,536.88 is: 1,150,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,916.40 : 1,578,896.60 = 834,536.88 : x
  2. Step 2: Convert to fraction form
    1,144,916.40/1,578,896.60 = 834,536.88/x
  3. Step 3: Cross multiply
    1,144,916.40x = 1,578,896.60 × 834,536.88
  4. Step 4: Simplify right side
    1,144,916.40x = 1,317,647,442,406.61
  5. Step 5: Solve for x
    x = 1,317,647,442,406.61/1,144,916.40
  6. Step 6: Final answer
    x = 1,150,867.82

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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.