Home / 1,208,176.40-1,811,112.60-449,814.80

Finding the Fourth Proportional to 1,208,176.40, 1,811,112.60 and 449,814.80

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Solution

The fourth proportional to 1,208,176.40, 1,811,112.60 and 449,814.80 is: 674,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,176.40 : 1,811,112.60 = 449,814.80 : x
  2. Step 2: Convert to fraction form
    1,208,176.40/1,811,112.60 = 449,814.80/x
  3. Step 3: Cross multiply
    1,208,176.40x = 1,811,112.60 × 449,814.80
  4. Step 4: Simplify right side
    1,208,176.40x = 814,665,251,946.48
  5. Step 5: Solve for x
    x = 814,665,251,946.48/1,208,176.40
  6. Step 6: Final answer
    x = 674,293.30

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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.