Home / 1,253,999.90-1,880,999.85-1,229,116.70

Finding the Fourth Proportional to 1,253,999.90, 1,880,999.85 and 1,229,116.70

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Solution

The fourth proportional to 1,253,999.90, 1,880,999.85 and 1,229,116.70 is: 1,843,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,999.90 : 1,880,999.85 = 1,229,116.70 : x
  2. Step 2: Convert to fraction form
    1,253,999.90/1,880,999.85 = 1,229,116.70/x
  3. Step 3: Cross multiply
    1,253,999.90x = 1,880,999.85 × 1,229,116.70
  4. Step 4: Simplify right side
    1,253,999.90x = 2,311,968,328,332.50
  5. Step 5: Solve for x
    x = 2,311,968,328,332.50/1,253,999.90
  6. Step 6: Final answer
    x = 1,843,675.05

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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.