Home / 1,074,467.20-1,611,700.80-646,844.80

Finding the Fourth Proportional to 1,074,467.20, 1,611,700.80 and 646,844.80

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Solution

The fourth proportional to 1,074,467.20, 1,611,700.80 and 646,844.80 is: 970,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,467.20 : 1,611,700.80 = 646,844.80 : x
  2. Step 2: Convert to fraction form
    1,074,467.20/1,611,700.80 = 646,844.80/x
  3. Step 3: Cross multiply
    1,074,467.20x = 1,611,700.80 × 646,844.80
  4. Step 4: Simplify right side
    1,074,467.20x = 1,042,520,281,635.84
  5. Step 5: Solve for x
    x = 1,042,520,281,635.84/1,074,467.20
  6. Step 6: Final answer
    x = 970,267.20

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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.