Home / 1,180,086.40-1,770,129.60-802,172.80

Finding the Fourth Proportional to 1,180,086.40, 1,770,129.60 and 802,172.80

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Solution

The fourth proportional to 1,180,086.40, 1,770,129.60 and 802,172.80 is: 1,203,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,086.40 : 1,770,129.60 = 802,172.80 : x
  2. Step 2: Convert to fraction form
    1,180,086.40/1,770,129.60 = 802,172.80/x
  3. Step 3: Cross multiply
    1,180,086.40x = 1,770,129.60 × 802,172.80
  4. Step 4: Simplify right side
    1,180,086.40x = 1,419,949,817,594.88
  5. Step 5: Solve for x
    x = 1,419,949,817,594.88/1,180,086.40
  6. Step 6: Final answer
    x = 1,203,259.20

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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.