Home / 1,083,805.80-1,625,708.70-683,147.40

Finding the Fourth Proportional to 1,083,805.80, 1,625,708.70 and 683,147.40

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Solution

The fourth proportional to 1,083,805.80, 1,625,708.70 and 683,147.40 is: 1,024,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,805.80 : 1,625,708.70 = 683,147.40 : x
  2. Step 2: Convert to fraction form
    1,083,805.80/1,625,708.70 = 683,147.40/x
  3. Step 3: Cross multiply
    1,083,805.80x = 1,625,708.70 × 683,147.40
  4. Step 4: Simplify right side
    1,083,805.80x = 1,110,598,671,562.38
  5. Step 5: Solve for x
    x = 1,110,598,671,562.38/1,083,805.80
  6. Step 6: Final answer
    x = 1,024,721.10

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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.