Home / 1,083,982.10-1,625,628.69-1,013,221.71

Finding the Fourth Proportional to 1,083,982.10, 1,625,628.69 and 1,013,221.71

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Solution

The fourth proportional to 1,083,982.10, 1,625,628.69 and 1,013,221.71 is: 1,519,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,982.10 : 1,625,628.69 = 1,013,221.71 : x
  2. Step 2: Convert to fraction form
    1,083,982.10/1,625,628.69 = 1,013,221.71/x
  3. Step 3: Cross multiply
    1,083,982.10x = 1,625,628.69 × 1,013,221.71
  4. Step 4: Simplify right side
    1,083,982.10x = 1,647,122,281,106.86
  5. Step 5: Solve for x
    x = 1,647,122,281,106.86/1,083,982.10
  6. Step 6: Final answer
    x = 1,519,510.60

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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.