Home / 1,449,509.82-2,174,878.98-775,414.50

Finding the Fourth Proportional to 1,449,509.82, 2,174,878.98 and 775,414.50

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Solution

The fourth proportional to 1,449,509.82, 2,174,878.98 and 775,414.50 is: 1,163,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,509.82 : 2,174,878.98 = 775,414.50 : x
  2. Step 2: Convert to fraction form
    1,449,509.82/2,174,878.98 = 775,414.50/x
  3. Step 3: Cross multiply
    1,449,509.82x = 2,174,878.98 × 775,414.50
  4. Step 4: Simplify right side
    1,449,509.82x = 1,686,432,696,837.21
  5. Step 5: Solve for x
    x = 1,686,432,696,837.21/1,449,509.82
  6. Step 6: Final answer
    x = 1,163,450.34

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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.