Home / 1,074,497.56-1,611,191.60-316,240.50

Finding the Fourth Proportional to 1,074,497.56, 1,611,191.60 and 316,240.50

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Solution

The fourth proportional to 1,074,497.56, 1,611,191.60 and 316,240.50 is: 474,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,497.56 : 1,611,191.60 = 316,240.50 : x
  2. Step 2: Convert to fraction form
    1,074,497.56/1,611,191.60 = 316,240.50/x
  3. Step 3: Cross multiply
    1,074,497.56x = 1,611,191.60 × 316,240.50
  4. Step 4: Simplify right side
    1,074,497.56x = 509,524,037,179.80
  5. Step 5: Solve for x
    x = 509,524,037,179.80/1,074,497.56
  6. Step 6: Final answer
    x = 474,197.48

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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.