Home / 1,394,192.43-2,088,622.69-942,697.21

Finding the Fourth Proportional to 1,394,192.43, 2,088,622.69 and 942,697.21

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Solution

The fourth proportional to 1,394,192.43, 2,088,622.69 and 942,697.21 is: 1,412,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,192.43 : 2,088,622.69 = 942,697.21 : x
  2. Step 2: Convert to fraction form
    1,394,192.43/2,088,622.69 = 942,697.21/x
  3. Step 3: Cross multiply
    1,394,192.43x = 2,088,622.69 × 942,697.21
  4. Step 4: Simplify right side
    1,394,192.43x = 1,968,938,782,605.69
  5. Step 5: Solve for x
    x = 1,968,938,782,605.69/1,394,192.43
  6. Step 6: Final answer
    x = 1,412,243.20

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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.