Home / 3,131,713.78-4,697,570.70-767,809.78

Finding the Fourth Proportional to 3,131,713.78, 4,697,570.70 and 767,809.78

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Solution

The fourth proportional to 3,131,713.78, 4,697,570.70 and 767,809.78 is: 1,151,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,713.78 : 4,697,570.70 = 767,809.78 : x
  2. Step 2: Convert to fraction form
    3,131,713.78/4,697,570.70 = 767,809.78/x
  3. Step 3: Cross multiply
    3,131,713.78x = 4,697,570.70 × 767,809.78
  4. Step 4: Simplify right side
    3,131,713.78x = 3,606,840,725,701.45
  5. Step 5: Solve for x
    x = 3,606,840,725,701.45/3,131,713.78
  6. Step 6: Final answer
    x = 1,151,714.68

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Similar ratio
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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.