Home / 1,074,372.76-1,611,742.74-442,941.40

Finding the Fourth Proportional to 1,074,372.76, 1,611,742.74 and 442,941.40

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Solution

The fourth proportional to 1,074,372.76, 1,611,742.74 and 442,941.40 is: 664,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,372.76 : 1,611,742.74 = 442,941.40 : x
  2. Step 2: Convert to fraction form
    1,074,372.76/1,611,742.74 = 442,941.40/x
  3. Step 3: Cross multiply
    1,074,372.76x = 1,611,742.74 × 442,941.40
  4. Step 4: Simplify right side
    1,074,372.76x = 713,907,585,695.44
  5. Step 5: Solve for x
    x = 713,907,585,695.44/1,074,372.76
  6. Step 6: Final answer
    x = 664,487.79

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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.