Home / 843,942.36-1,265,580-275,183.64

Finding the Fourth Proportional to 843,942.36, 1,265,580 and 275,183.64

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Solution

The fourth proportional to 843,942.36, 1,265,580 and 275,183.64 is: 412,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,942.36 : 1,265,580 = 275,183.64 : x
  2. Step 2: Convert to fraction form
    843,942.36/1,265,580 = 275,183.64/x
  3. Step 3: Cross multiply
    843,942.36x = 1,265,580 × 275,183.64
  4. Step 4: Simplify right side
    843,942.36x = 348,266,911,111.20
  5. Step 5: Solve for x
    x = 348,266,911,111.20/843,942.36
  6. Step 6: Final answer
    x = 412,666.70

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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.