Home / 1,200,851.92-1,650,240.02-1,145,342.80

Finding the Fourth Proportional to 1,200,851.92, 1,650,240.02 and 1,145,342.80

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Solution

The fourth proportional to 1,200,851.92, 1,650,240.02 and 1,145,342.80 is: 1,573,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,851.92 : 1,650,240.02 = 1,145,342.80 : x
  2. Step 2: Convert to fraction form
    1,200,851.92/1,650,240.02 = 1,145,342.80/x
  3. Step 3: Cross multiply
    1,200,851.92x = 1,650,240.02 × 1,145,342.80
  4. Step 4: Simplify right side
    1,200,851.92x = 1,890,090,525,178.86
  5. Step 5: Solve for x
    x = 1,890,090,525,178.86/1,200,851.92
  6. Step 6: Final answer
    x = 1,573,958.03

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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.