Home / 1,221,107.84-1,831,749.18-322,540.58

Finding the Fourth Proportional to 1,221,107.84, 1,831,749.18 and 322,540.58

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Solution

The fourth proportional to 1,221,107.84, 1,831,749.18 and 322,540.58 is: 483,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,107.84 : 1,831,749.18 = 322,540.58 : x
  2. Step 2: Convert to fraction form
    1,221,107.84/1,831,749.18 = 322,540.58/x
  3. Step 3: Cross multiply
    1,221,107.84x = 1,831,749.18 × 322,540.58
  4. Step 4: Simplify right side
    1,221,107.84x = 590,813,442,931.72
  5. Step 5: Solve for x
    x = 590,813,442,931.72/1,221,107.84
  6. Step 6: Final answer
    x = 483,833.96

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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.