Home / 1,297,658.32-1,945,042.08-539,077.12

Finding the Fourth Proportional to 1,297,658.32, 1,945,042.08 and 539,077.12

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Solution

The fourth proportional to 1,297,658.32, 1,945,042.08 and 539,077.12 is: 808,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,658.32 : 1,945,042.08 = 539,077.12 : x
  2. Step 2: Convert to fraction form
    1,297,658.32/1,945,042.08 = 539,077.12/x
  3. Step 3: Cross multiply
    1,297,658.32x = 1,945,042.08 × 539,077.12
  4. Step 4: Simplify right side
    1,297,658.32x = 1,048,527,682,765.21
  5. Step 5: Solve for x
    x = 1,048,527,682,765.21/1,297,658.32
  6. Step 6: Final answer
    x = 808,015.23

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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.