Home / 1,158,394.82-1,597,636.94-815,366.30

Finding the Fourth Proportional to 1,158,394.82, 1,597,636.94 and 815,366.30

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Solution

The fourth proportional to 1,158,394.82, 1,597,636.94 and 815,366.30 is: 1,124,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,394.82 : 1,597,636.94 = 815,366.30 : x
  2. Step 2: Convert to fraction form
    1,158,394.82/1,597,636.94 = 815,366.30/x
  3. Step 3: Cross multiply
    1,158,394.82x = 1,597,636.94 × 815,366.30
  4. Step 4: Simplify right side
    1,158,394.82x = 1,302,659,320,511.12
  5. Step 5: Solve for x
    x = 1,302,659,320,511.12/1,158,394.82
  6. Step 6: Final answer
    x = 1,124,538.28

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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.