Home / 1,151,738.64-1,726,869.80-478,284.80

Finding the Fourth Proportional to 1,151,738.64, 1,726,869.80 and 478,284.80

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Solution

The fourth proportional to 1,151,738.64, 1,726,869.80 and 478,284.80 is: 717,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,738.64 : 1,726,869.80 = 478,284.80 : x
  2. Step 2: Convert to fraction form
    1,151,738.64/1,726,869.80 = 478,284.80/x
  3. Step 3: Cross multiply
    1,151,738.64x = 1,726,869.80 × 478,284.80
  4. Step 4: Simplify right side
    1,151,738.64x = 825,935,576,919.04
  5. Step 5: Solve for x
    x = 825,935,576,919.04/1,151,738.64
  6. Step 6: Final answer
    x = 717,120.66

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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.