Home / 1,086,820.12-1,629,705.84-455,564.44

Finding the Fourth Proportional to 1,086,820.12, 1,629,705.84 and 455,564.44

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Solution

The fourth proportional to 1,086,820.12, 1,629,705.84 and 455,564.44 is: 683,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,820.12 : 1,629,705.84 = 455,564.44 : x
  2. Step 2: Convert to fraction form
    1,086,820.12/1,629,705.84 = 455,564.44/x
  3. Step 3: Cross multiply
    1,086,820.12x = 1,629,705.84 × 455,564.44
  4. Step 4: Simplify right side
    1,086,820.12x = 742,436,028,364.33
  5. Step 5: Solve for x
    x = 742,436,028,364.33/1,086,820.12
  6. Step 6: Final answer
    x = 683,126.87

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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.