Home / 1,158,832.90-1,738,249.35-822,909.70

Finding the Fourth Proportional to 1,158,832.90, 1,738,249.35 and 822,909.70

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Solution

The fourth proportional to 1,158,832.90, 1,738,249.35 and 822,909.70 is: 1,234,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,832.90 : 1,738,249.35 = 822,909.70 : x
  2. Step 2: Convert to fraction form
    1,158,832.90/1,738,249.35 = 822,909.70/x
  3. Step 3: Cross multiply
    1,158,832.90x = 1,738,249.35 × 822,909.70
  4. Step 4: Simplify right side
    1,158,832.90x = 1,430,422,251,133.70
  5. Step 5: Solve for x
    x = 1,430,422,251,133.70/1,158,832.90
  6. Step 6: Final answer
    x = 1,234,364.55

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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.