Home / 1,012,495.44-1,517,286.43-435,960.45

Finding the Fourth Proportional to 1,012,495.44, 1,517,286.43 and 435,960.45

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Solution

The fourth proportional to 1,012,495.44, 1,517,286.43 and 435,960.45 is: 653,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,495.44 : 1,517,286.43 = 435,960.45 : x
  2. Step 2: Convert to fraction form
    1,012,495.44/1,517,286.43 = 435,960.45/x
  3. Step 3: Cross multiply
    1,012,495.44x = 1,517,286.43 × 435,960.45
  4. Step 4: Simplify right side
    1,012,495.44x = 661,476,874,801.69
  5. Step 5: Solve for x
    x = 661,476,874,801.69/1,012,495.44
  6. Step 6: Final answer
    x = 653,313.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.