Home / 1,370,179.60-2,057,116.20-802,142.80

Finding the Fourth Proportional to 1,370,179.60, 2,057,116.20 and 802,142.80

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Solution

The fourth proportional to 1,370,179.60, 2,057,116.20 and 802,142.80 is: 1,204,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,179.60 : 2,057,116.20 = 802,142.80 : x
  2. Step 2: Convert to fraction form
    1,370,179.60/2,057,116.20 = 802,142.80/x
  3. Step 3: Cross multiply
    1,370,179.60x = 2,057,116.20 × 802,142.80
  4. Step 4: Simplify right side
    1,370,179.60x = 1,650,100,948,593.36
  5. Step 5: Solve for x
    x = 1,650,100,948,593.36/1,370,179.60
  6. Step 6: Final answer
    x = 1,204,295.37

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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.