Home / 1,618,116.70-2,425,231.05-670,999.90

Finding the Fourth Proportional to 1,618,116.70, 2,425,231.05 and 670,999.90

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Solution

The fourth proportional to 1,618,116.70, 2,425,231.05 and 670,999.90 is: 1,005,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,116.70 : 2,425,231.05 = 670,999.90 : x
  2. Step 2: Convert to fraction form
    1,618,116.70/2,425,231.05 = 670,999.90/x
  3. Step 3: Cross multiply
    1,618,116.70x = 2,425,231.05 × 670,999.90
  4. Step 4: Simplify right side
    1,618,116.70x = 1,627,329,792,026.90
  5. Step 5: Solve for x
    x = 1,627,329,792,026.90/1,618,116.70
  6. Step 6: Final answer
    x = 1,005,693.71

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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.