Home / 1,371,377.84-1,892,515.34-827,408.52

Finding the Fourth Proportional to 1,371,377.84, 1,892,515.34 and 827,408.52

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Solution

The fourth proportional to 1,371,377.84, 1,892,515.34 and 827,408.52 is: 1,141,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,377.84 : 1,892,515.34 = 827,408.52 : x
  2. Step 2: Convert to fraction form
    1,371,377.84/1,892,515.34 = 827,408.52/x
  3. Step 3: Cross multiply
    1,371,377.84x = 1,892,515.34 × 827,408.52
  4. Step 4: Simplify right side
    1,371,377.84x = 1,565,883,313,961.05
  5. Step 5: Solve for x
    x = 1,565,883,313,961.05/1,371,377.84
  6. Step 6: Final answer
    x = 1,141,832.15

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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.