Home / 969,346.77-1,449,970.17-681,138.22

Finding the Fourth Proportional to 969,346.77, 1,449,970.17 and 681,138.22

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Solution

The fourth proportional to 969,346.77, 1,449,970.17 and 681,138.22 is: 1,018,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,346.77 : 1,449,970.17 = 681,138.22 : x
  2. Step 2: Convert to fraction form
    969,346.77/1,449,970.17 = 681,138.22/x
  3. Step 3: Cross multiply
    969,346.77x = 1,449,970.17 × 681,138.22
  4. Step 4: Simplify right side
    969,346.77x = 987,630,100,646.90
  5. Step 5: Solve for x
    x = 987,630,100,646.90/969,346.77
  6. Step 6: Final answer
    x = 1,018,861.50

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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.