Home / 1,230,150.78-1,845,758.88-660,867.66

Finding the Fourth Proportional to 1,230,150.78, 1,845,758.88 and 660,867.66

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Solution

The fourth proportional to 1,230,150.78, 1,845,758.88 and 660,867.66 is: 991,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,150.78 : 1,845,758.88 = 660,867.66 : x
  2. Step 2: Convert to fraction form
    1,230,150.78/1,845,758.88 = 660,867.66/x
  3. Step 3: Cross multiply
    1,230,150.78x = 1,845,758.88 × 660,867.66
  4. Step 4: Simplify right side
    1,230,150.78x = 1,219,802,351,949.82
  5. Step 5: Solve for x
    x = 1,219,802,351,949.82/1,230,150.78
  6. Step 6: Final answer
    x = 991,587.68

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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.