Home / 1,098,211.98-1,646,851.41-378,632.46

Finding the Fourth Proportional to 1,098,211.98, 1,646,851.41 and 378,632.46

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Solution

The fourth proportional to 1,098,211.98, 1,646,851.41 and 378,632.46 is: 567,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,211.98 : 1,646,851.41 = 378,632.46 : x
  2. Step 2: Convert to fraction form
    1,098,211.98/1,646,851.41 = 378,632.46/x
  3. Step 3: Cross multiply
    1,098,211.98x = 1,646,851.41 × 378,632.46
  4. Step 4: Simplify right side
    1,098,211.98x = 623,551,400,622.77
  5. Step 5: Solve for x
    x = 623,551,400,622.77/1,098,211.98
  6. Step 6: Final answer
    x = 567,787.83

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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.