Home / 1,212,670.28-1,818,695.14-359,542.43

Finding the Fourth Proportional to 1,212,670.28, 1,818,695.14 and 359,542.43

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Solution

The fourth proportional to 1,212,670.28, 1,818,695.14 and 359,542.43 is: 539,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,670.28 : 1,818,695.14 = 359,542.43 : x
  2. Step 2: Convert to fraction form
    1,212,670.28/1,818,695.14 = 359,542.43/x
  3. Step 3: Cross multiply
    1,212,670.28x = 1,818,695.14 × 359,542.43
  4. Step 4: Simplify right side
    1,212,670.28x = 653,898,073,712.67
  5. Step 5: Solve for x
    x = 653,898,073,712.67/1,212,670.28
  6. Step 6: Final answer
    x = 539,221.66

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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.