Home / 1,281,884.20-1,922,307.90-440,002.60

Finding the Fourth Proportional to 1,281,884.20, 1,922,307.90 and 440,002.60

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Solution

The fourth proportional to 1,281,884.20, 1,922,307.90 and 440,002.60 is: 659,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,884.20 : 1,922,307.90 = 440,002.60 : x
  2. Step 2: Convert to fraction form
    1,281,884.20/1,922,307.90 = 440,002.60/x
  3. Step 3: Cross multiply
    1,281,884.20x = 1,922,307.90 × 440,002.60
  4. Step 4: Simplify right side
    1,281,884.20x = 845,820,474,000.54
  5. Step 5: Solve for x
    x = 845,820,474,000.54/1,281,884.20
  6. Step 6: Final answer
    x = 659,825.96

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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.