Home / 1,012,878.82-1,397,761.44-554,006.57

Finding the Fourth Proportional to 1,012,878.82, 1,397,761.44 and 554,006.57

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Solution

The fourth proportional to 1,012,878.82, 1,397,761.44 and 554,006.57 is: 764,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,878.82 : 1,397,761.44 = 554,006.57 : x
  2. Step 2: Convert to fraction form
    1,012,878.82/1,397,761.44 = 554,006.57/x
  3. Step 3: Cross multiply
    1,012,878.82x = 1,397,761.44 × 554,006.57
  4. Step 4: Simplify right side
    1,012,878.82x = 774,369,021,052.66
  5. Step 5: Solve for x
    x = 774,369,021,052.66/1,012,878.82
  6. Step 6: Final answer
    x = 764,522.87

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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.