Home / 1,229,480.48-1,696,684.80-678,183.89

Finding the Fourth Proportional to 1,229,480.48, 1,696,684.80 and 678,183.89

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Solution

The fourth proportional to 1,229,480.48, 1,696,684.80 and 678,183.89 is: 935,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,480.48 : 1,696,684.80 = 678,183.89 : x
  2. Step 2: Convert to fraction form
    1,229,480.48/1,696,684.80 = 678,183.89/x
  3. Step 3: Cross multiply
    1,229,480.48x = 1,696,684.80 × 678,183.89
  4. Step 4: Simplify right side
    1,229,480.48x = 1,150,664,289,284.45
  5. Step 5: Solve for x
    x = 1,150,664,289,284.45/1,229,480.48
  6. Step 6: Final answer
    x = 935,894.72

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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.