Home / 802,126.80-1,203,190.20-715,035.60

Finding the Fourth Proportional to 802,126.80, 1,203,190.20 and 715,035.60

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Solution

The fourth proportional to 802,126.80, 1,203,190.20 and 715,035.60 is: 1,072,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,126.80 : 1,203,190.20 = 715,035.60 : x
  2. Step 2: Convert to fraction form
    802,126.80/1,203,190.20 = 715,035.60/x
  3. Step 3: Cross multiply
    802,126.80x = 1,203,190.20 × 715,035.60
  4. Step 4: Simplify right side
    802,126.80x = 860,323,826,571.12
  5. Step 5: Solve for x
    x = 860,323,826,571.12/802,126.80
  6. Step 6: Final answer
    x = 1,072,553.40

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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.