Home / 1,072,261.09-1,480,052.46-690,287.88

Finding the Fourth Proportional to 1,072,261.09, 1,480,052.46 and 690,287.88

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Solution

The fourth proportional to 1,072,261.09, 1,480,052.46 and 690,287.88 is: 952,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,261.09 : 1,480,052.46 = 690,287.88 : x
  2. Step 2: Convert to fraction form
    1,072,261.09/1,480,052.46 = 690,287.88/x
  3. Step 3: Cross multiply
    1,072,261.09x = 1,480,052.46 × 690,287.88
  4. Step 4: Simplify right side
    1,072,261.09x = 1,021,662,274,902.18
  5. Step 5: Solve for x
    x = 1,021,662,274,902.18/1,072,261.09
  6. Step 6: Final answer
    x = 952,811.11

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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.