Home / 1,198,955.85-1,798,200.49-345,967.53

Finding the Fourth Proportional to 1,198,955.85, 1,798,200.49 and 345,967.53

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Solution

The fourth proportional to 1,198,955.85, 1,798,200.49 and 345,967.53 is: 518,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,955.85 : 1,798,200.49 = 345,967.53 : x
  2. Step 2: Convert to fraction form
    1,198,955.85/1,798,200.49 = 345,967.53/x
  3. Step 3: Cross multiply
    1,198,955.85x = 1,798,200.49 × 345,967.53
  4. Step 4: Simplify right side
    1,198,955.85x = 622,118,981,970.09
  5. Step 5: Solve for x
    x = 622,118,981,970.09/1,198,955.85
  6. Step 6: Final answer
    x = 518,883.98

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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.