Home / 1,521,118.32-2,099,259.89-867,758.73

Finding the Fourth Proportional to 1,521,118.32, 2,099,259.89 and 867,758.73

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Solution

The fourth proportional to 1,521,118.32, 2,099,259.89 and 867,758.73 is: 1,197,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,118.32 : 2,099,259.89 = 867,758.73 : x
  2. Step 2: Convert to fraction form
    1,521,118.32/2,099,259.89 = 867,758.73/x
  3. Step 3: Cross multiply
    1,521,118.32x = 2,099,259.89 × 867,758.73
  4. Step 4: Simplify right side
    1,521,118.32x = 1,821,651,091,747.55
  5. Step 5: Solve for x
    x = 1,821,651,091,747.55/1,521,118.32
  6. Step 6: Final answer
    x = 1,197,573.57

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1.5x scale

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.