Home / 1,311,821.73-1,810,337.04-738,882.27

Finding the Fourth Proportional to 1,311,821.73, 1,810,337.04 and 738,882.27

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Solution

The fourth proportional to 1,311,821.73, 1,810,337.04 and 738,882.27 is: 1,019,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,821.73 : 1,810,337.04 = 738,882.27 : x
  2. Step 2: Convert to fraction form
    1,311,821.73/1,810,337.04 = 738,882.27/x
  3. Step 3: Cross multiply
    1,311,821.73x = 1,810,337.04 × 738,882.27
  4. Step 4: Simplify right side
    1,311,821.73x = 1,337,625,941,580.28
  5. Step 5: Solve for x
    x = 1,337,625,941,580.28/1,311,821.73
  6. Step 6: Final answer
    x = 1,019,670.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.