Home / 1,394,190.43-2,088,619.70-942,695.21

Finding the Fourth Proportional to 1,394,190.43, 2,088,619.70 and 942,695.21

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Solution

The fourth proportional to 1,394,190.43, 2,088,619.70 and 942,695.21 is: 1,412,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,190.43 : 2,088,619.70 = 942,695.21 : x
  2. Step 2: Convert to fraction form
    1,394,190.43/2,088,619.70 = 942,695.21/x
  3. Step 3: Cross multiply
    1,394,190.43x = 2,088,619.70 × 942,695.21
  4. Step 4: Simplify right side
    1,394,190.43x = 1,968,931,787,209.71
  5. Step 5: Solve for x
    x = 1,968,931,787,209.71/1,394,190.43
  6. Step 6: Final answer
    x = 1,412,240.21

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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.