Home / 783,013.20-1,174,519.80-668,851.80

Finding the Fourth Proportional to 783,013.20, 1,174,519.80 and 668,851.80

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Solution

The fourth proportional to 783,013.20, 1,174,519.80 and 668,851.80 is: 1,003,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,013.20 : 1,174,519.80 = 668,851.80 : x
  2. Step 2: Convert to fraction form
    783,013.20/1,174,519.80 = 668,851.80/x
  3. Step 3: Cross multiply
    783,013.20x = 1,174,519.80 × 668,851.80
  4. Step 4: Simplify right side
    783,013.20x = 785,579,682,365.64
  5. Step 5: Solve for x
    x = 785,579,682,365.64/783,013.20
  6. Step 6: Final answer
    x = 1,003,277.70

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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.