Home / 1,762,222.78-2,431,963.56-998,425.18

Finding the Fourth Proportional to 1,762,222.78, 2,431,963.56 and 998,425.18

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Solution

The fourth proportional to 1,762,222.78, 2,431,963.56 and 998,425.18 is: 1,377,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,222.78 : 2,431,963.56 = 998,425.18 : x
  2. Step 2: Convert to fraction form
    1,762,222.78/2,431,963.56 = 998,425.18/x
  3. Step 3: Cross multiply
    1,762,222.78x = 2,431,963.56 × 998,425.18
  4. Step 4: Simplify right side
    1,762,222.78x = 2,428,133,655,146.44
  5. Step 5: Solve for x
    x = 2,428,133,655,146.44/1,762,222.78
  6. Step 6: Final answer
    x = 1,377,881.21

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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.