Home / 1,295,136.80-1,942,705.20-822,744.80

Finding the Fourth Proportional to 1,295,136.80, 1,942,705.20 and 822,744.80

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Solution

The fourth proportional to 1,295,136.80, 1,942,705.20 and 822,744.80 is: 1,234,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,136.80 : 1,942,705.20 = 822,744.80 : x
  2. Step 2: Convert to fraction form
    1,295,136.80/1,942,705.20 = 822,744.80/x
  3. Step 3: Cross multiply
    1,295,136.80x = 1,942,705.20 × 822,744.80
  4. Step 4: Simplify right side
    1,295,136.80x = 1,598,350,601,232.96
  5. Step 5: Solve for x
    x = 1,598,350,601,232.96/1,295,136.80
  6. Step 6: Final answer
    x = 1,234,117.20

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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.