Home / 1,676,969.61-2,314,181.70-979,370.43

Finding the Fourth Proportional to 1,676,969.61, 2,314,181.70 and 979,370.43

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Solution

The fourth proportional to 1,676,969.61, 2,314,181.70 and 979,370.43 is: 1,351,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,969.61 : 2,314,181.70 = 979,370.43 : x
  2. Step 2: Convert to fraction form
    1,676,969.61/2,314,181.70 = 979,370.43/x
  3. Step 3: Cross multiply
    1,676,969.61x = 2,314,181.70 × 979,370.43
  4. Step 4: Simplify right side
    1,676,969.61x = 2,266,441,126,627.13
  5. Step 5: Solve for x
    x = 2,266,441,126,627.13/1,676,969.61
  6. Step 6: Final answer
    x = 1,351,509.96

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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.