Home / 1,200,852.92-1,650,241.39-1,145,343.80

Finding the Fourth Proportional to 1,200,852.92, 1,650,241.39 and 1,145,343.80

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Solution

The fourth proportional to 1,200,852.92, 1,650,241.39 and 1,145,343.80 is: 1,573,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,852.92 : 1,650,241.39 = 1,145,343.80 : x
  2. Step 2: Convert to fraction form
    1,200,852.92/1,650,241.39 = 1,145,343.80/x
  3. Step 3: Cross multiply
    1,200,852.92x = 1,650,241.39 × 1,145,343.80
  4. Step 4: Simplify right side
    1,200,852.92x = 1,890,093,744,539.88
  5. Step 5: Solve for x
    x = 1,890,093,744,539.88/1,200,852.92
  6. Step 6: Final answer
    x = 1,573,959.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.