Home / 1,224,601.20-1,836,464.40-425,908.80

Finding the Fourth Proportional to 1,224,601.20, 1,836,464.40 and 425,908.80

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Solution

The fourth proportional to 1,224,601.20, 1,836,464.40 and 425,908.80 is: 638,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,601.20 : 1,836,464.40 = 425,908.80 : x
  2. Step 2: Convert to fraction form
    1,224,601.20/1,836,464.40 = 425,908.80/x
  3. Step 3: Cross multiply
    1,224,601.20x = 1,836,464.40 × 425,908.80
  4. Step 4: Simplify right side
    1,224,601.20x = 782,166,348,846.72
  5. Step 5: Solve for x
    x = 782,166,348,846.72/1,224,601.20
  6. Step 6: Final answer
    x = 638,711.07

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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.