Home / 1,013,051.20-1,519,576.80-776,855.20

Finding the Fourth Proportional to 1,013,051.20, 1,519,576.80 and 776,855.20

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Solution

The fourth proportional to 1,013,051.20, 1,519,576.80 and 776,855.20 is: 1,165,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,051.20 : 1,519,576.80 = 776,855.20 : x
  2. Step 2: Convert to fraction form
    1,013,051.20/1,519,576.80 = 776,855.20/x
  3. Step 3: Cross multiply
    1,013,051.20x = 1,519,576.80 × 776,855.20
  4. Step 4: Simplify right side
    1,013,051.20x = 1,180,491,138,879.36
  5. Step 5: Solve for x
    x = 1,180,491,138,879.36/1,013,051.20
  6. Step 6: Final answer
    x = 1,165,282.80

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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.