Home / 1,295,222.80-1,942,834.20-822,830.80

Finding the Fourth Proportional to 1,295,222.80, 1,942,834.20 and 822,830.80

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Solution

The fourth proportional to 1,295,222.80, 1,942,834.20 and 822,830.80 is: 1,234,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,222.80 : 1,942,834.20 = 822,830.80 : x
  2. Step 2: Convert to fraction form
    1,295,222.80/1,942,834.20 = 822,830.80/x
  3. Step 3: Cross multiply
    1,295,222.80x = 1,942,834.20 × 822,830.80
  4. Step 4: Simplify right side
    1,295,222.80x = 1,598,623,819,053.36
  5. Step 5: Solve for x
    x = 1,598,623,819,053.36/1,295,222.80
  6. Step 6: Final answer
    x = 1,234,246.20

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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.