Home / 1,204,350.50-1,662,185.75-688,213.03

Finding the Fourth Proportional to 1,204,350.50, 1,662,185.75 and 688,213.03

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Solution

The fourth proportional to 1,204,350.50, 1,662,185.75 and 688,213.03 is: 949,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,350.50 : 1,662,185.75 = 688,213.03 : x
  2. Step 2: Convert to fraction form
    1,204,350.50/1,662,185.75 = 688,213.03/x
  3. Step 3: Cross multiply
    1,204,350.50x = 1,662,185.75 × 688,213.03
  4. Step 4: Simplify right side
    1,204,350.50x = 1,143,937,888,995.39
  5. Step 5: Solve for x
    x = 1,143,937,888,995.39/1,204,350.50
  6. Step 6: Final answer
    x = 949,838.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.