Home / 1,340,877.20-2,013,648.60-711,021.20

Finding the Fourth Proportional to 1,340,877.20, 2,013,648.60 and 711,021.20

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Solution

The fourth proportional to 1,340,877.20, 2,013,648.60 and 711,021.20 is: 1,067,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,877.20 : 2,013,648.60 = 711,021.20 : x
  2. Step 2: Convert to fraction form
    1,340,877.20/2,013,648.60 = 711,021.20/x
  3. Step 3: Cross multiply
    1,340,877.20x = 2,013,648.60 × 711,021.20
  4. Step 4: Simplify right side
    1,340,877.20x = 1,431,746,843,950.32
  5. Step 5: Solve for x
    x = 1,431,746,843,950.32/1,340,877.20
  6. Step 6: Final answer
    x = 1,067,768.80

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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.