Home / 1,315,444-1,815,314.34-711,832

Finding the Fourth Proportional to 1,315,444, 1,815,314.34 and 711,832

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Solution

The fourth proportional to 1,315,444, 1,815,314.34 and 711,832 is: 982,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,444 : 1,815,314.34 = 711,832 : x
  2. Step 2: Convert to fraction form
    1,315,444/1,815,314.34 = 711,832/x
  3. Step 3: Cross multiply
    1,315,444x = 1,815,314.34 × 711,832
  4. Step 4: Simplify right side
    1,315,444x = 1,292,198,837,270.88
  5. Step 5: Solve for x
    x = 1,292,198,837,270.88/1,315,444
  6. Step 6: Final answer
    x = 982,329.04

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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.