Home / 1,341,284.20-2,011,926.30-442,864.60

Finding the Fourth Proportional to 1,341,284.20, 2,011,926.30 and 442,864.60

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Solution

The fourth proportional to 1,341,284.20, 2,011,926.30 and 442,864.60 is: 664,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,284.20 : 2,011,926.30 = 442,864.60 : x
  2. Step 2: Convert to fraction form
    1,341,284.20/2,011,926.30 = 442,864.60/x
  3. Step 3: Cross multiply
    1,341,284.20x = 2,011,926.30 × 442,864.60
  4. Step 4: Simplify right side
    1,341,284.20x = 891,010,936,078.98
  5. Step 5: Solve for x
    x = 891,010,936,078.98/1,341,284.20
  6. Step 6: Final answer
    x = 664,296.90

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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.