Home / 1,295,602.88-1,789,057.44-813,004.80

Finding the Fourth Proportional to 1,295,602.88, 1,789,057.44 and 813,004.80

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Solution

The fourth proportional to 1,295,602.88, 1,789,057.44 and 813,004.80 is: 1,122,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,602.88 : 1,789,057.44 = 813,004.80 : x
  2. Step 2: Convert to fraction form
    1,295,602.88/1,789,057.44 = 813,004.80/x
  3. Step 3: Cross multiply
    1,295,602.88x = 1,789,057.44 × 813,004.80
  4. Step 4: Simplify right side
    1,295,602.88x = 1,454,512,286,195.71
  5. Step 5: Solve for x
    x = 1,454,512,286,195.71/1,295,602.88
  6. Step 6: Final answer
    x = 1,122,652.87

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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.