Home / 1,341,234.40-2,011,851.60-711,378.40

Finding the Fourth Proportional to 1,341,234.40, 2,011,851.60 and 711,378.40

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Solution

The fourth proportional to 1,341,234.40, 2,011,851.60 and 711,378.40 is: 1,067,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,234.40 : 2,011,851.60 = 711,378.40 : x
  2. Step 2: Convert to fraction form
    1,341,234.40/2,011,851.60 = 711,378.40/x
  3. Step 3: Cross multiply
    1,341,234.40x = 2,011,851.60 × 711,378.40
  4. Step 4: Simplify right side
    1,341,234.40x = 1,431,187,772,245.44
  5. Step 5: Solve for x
    x = 1,431,187,772,245.44/1,341,234.40
  6. Step 6: Final answer
    x = 1,067,067.60

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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.