Home / 1,420,812.40-2,120,853.81-1,241,449.24

Finding the Fourth Proportional to 1,420,812.40, 2,120,853.81 and 1,241,449.24

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Solution

The fourth proportional to 1,420,812.40, 2,120,853.81 and 1,241,449.24 is: 1,853,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,812.40 : 2,120,853.81 = 1,241,449.24 : x
  2. Step 2: Convert to fraction form
    1,420,812.40/2,120,853.81 = 1,241,449.24/x
  3. Step 3: Cross multiply
    1,420,812.40x = 2,120,853.81 × 1,241,449.24
  4. Step 4: Simplify right side
    1,420,812.40x = 2,632,932,350,575.60
  5. Step 5: Solve for x
    x = 2,632,932,350,575.60/1,420,812.40
  6. Step 6: Final answer
    x = 1,853,117.52

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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.