Home / 1,420,802.64-2,120,839.27-1,241,439.48

Finding the Fourth Proportional to 1,420,802.64, 2,120,839.27 and 1,241,439.48

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Solution

The fourth proportional to 1,420,802.64, 2,120,839.27 and 1,241,439.48 is: 1,853,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,802.64 : 2,120,839.27 = 1,241,439.48 : x
  2. Step 2: Convert to fraction form
    1,420,802.64/2,120,839.27 = 1,241,439.48/x
  3. Step 3: Cross multiply
    1,420,802.64x = 2,120,839.27 × 1,241,439.48
  4. Step 4: Simplify right side
    1,420,802.64x = 2,632,893,597,408.78
  5. Step 5: Solve for x
    x = 2,632,893,597,408.78/1,420,802.64
  6. Step 6: Final answer
    x = 1,853,102.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.