Home / 3,207,146.06-4,810,678.94-778,319.44

Finding the Fourth Proportional to 3,207,146.06, 4,810,678.94 and 778,319.44

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Solution

The fourth proportional to 3,207,146.06, 4,810,678.94 and 778,319.44 is: 1,167,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,146.06 : 4,810,678.94 = 778,319.44 : x
  2. Step 2: Convert to fraction form
    3,207,146.06/4,810,678.94 = 778,319.44/x
  3. Step 3: Cross multiply
    3,207,146.06x = 4,810,678.94 × 778,319.44
  4. Step 4: Simplify right side
    3,207,146.06x = 3,744,244,938,600.59
  5. Step 5: Solve for x
    x = 3,744,244,938,600.59/3,207,146.06
  6. Step 6: Final answer
    x = 1,167,469.42

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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.