Home / 1,096,560.80-1,644,841.20-847,421.60

Finding the Fourth Proportional to 1,096,560.80, 1,644,841.20 and 847,421.60

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Solution

The fourth proportional to 1,096,560.80, 1,644,841.20 and 847,421.60 is: 1,271,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,560.80 : 1,644,841.20 = 847,421.60 : x
  2. Step 2: Convert to fraction form
    1,096,560.80/1,644,841.20 = 847,421.60/x
  3. Step 3: Cross multiply
    1,096,560.80x = 1,644,841.20 × 847,421.60
  4. Step 4: Simplify right side
    1,096,560.80x = 1,393,873,961,449.92
  5. Step 5: Solve for x
    x = 1,393,873,961,449.92/1,096,560.80
  6. Step 6: Final answer
    x = 1,271,132.40

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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.