Home / 1,102,907.82-1,521,905.31-619,363.02

Finding the Fourth Proportional to 1,102,907.82, 1,521,905.31 and 619,363.02

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Solution

The fourth proportional to 1,102,907.82, 1,521,905.31 and 619,363.02 is: 854,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,907.82 : 1,521,905.31 = 619,363.02 : x
  2. Step 2: Convert to fraction form
    1,102,907.82/1,521,905.31 = 619,363.02/x
  3. Step 3: Cross multiply
    1,102,907.82x = 1,521,905.31 × 619,363.02
  4. Step 4: Simplify right side
    1,102,907.82x = 942,611,868,955.64
  5. Step 5: Solve for x
    x = 942,611,868,955.64/1,102,907.82
  6. Step 6: Final answer
    x = 854,660.61

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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.