Home / 1,212,058.82-1,818,115.92-359,114.46

Finding the Fourth Proportional to 1,212,058.82, 1,818,115.92 and 359,114.46

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Solution

The fourth proportional to 1,212,058.82, 1,818,115.92 and 359,114.46 is: 538,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,058.82 : 1,818,115.92 = 359,114.46 : x
  2. Step 2: Convert to fraction form
    1,212,058.82/1,818,115.92 = 359,114.46/x
  3. Step 3: Cross multiply
    1,212,058.82x = 1,818,115.92 × 359,114.46
  4. Step 4: Simplify right side
    1,212,058.82x = 652,911,723,646.14
  5. Step 5: Solve for x
    x = 652,911,723,646.14/1,212,058.82
  6. Step 6: Final answer
    x = 538,679.90

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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.