Home / 1,224,822.20-1,690,158.83-680,924.88

Finding the Fourth Proportional to 1,224,822.20, 1,690,158.83 and 680,924.88

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Solution

The fourth proportional to 1,224,822.20, 1,690,158.83 and 680,924.88 is: 939,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,822.20 : 1,690,158.83 = 680,924.88 : x
  2. Step 2: Convert to fraction form
    1,224,822.20/1,690,158.83 = 680,924.88/x
  3. Step 3: Cross multiply
    1,224,822.20x = 1,690,158.83 × 680,924.88
  4. Step 4: Simplify right side
    1,224,822.20x = 1,150,871,195,094.07
  5. Step 5: Solve for x
    x = 1,150,871,195,094.07/1,224,822.20
  6. Step 6: Final answer
    x = 939,623.07

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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.