Home / 1,074,344.20-1,611,749.88-354,717.32

Finding the Fourth Proportional to 1,074,344.20, 1,611,749.88 and 354,717.32

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Solution

The fourth proportional to 1,074,344.20, 1,611,749.88 and 354,717.32 is: 532,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,344.20 : 1,611,749.88 = 354,717.32 : x
  2. Step 2: Convert to fraction form
    1,074,344.20/1,611,749.88 = 354,717.32/x
  3. Step 3: Cross multiply
    1,074,344.20x = 1,611,749.88 × 354,717.32
  4. Step 4: Simplify right side
    1,074,344.20x = 571,715,589,885.17
  5. Step 5: Solve for x
    x = 571,715,589,885.17/1,074,344.20
  6. Step 6: Final answer
    x = 532,153.10

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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.