Home / 1,350,263.28-2,026,391.76-640,293.72

Finding the Fourth Proportional to 1,350,263.28, 2,026,391.76 and 640,293.72

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Solution

The fourth proportional to 1,350,263.28, 2,026,391.76 and 640,293.72 is: 960,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,263.28 : 2,026,391.76 = 640,293.72 : x
  2. Step 2: Convert to fraction form
    1,350,263.28/2,026,391.76 = 640,293.72/x
  3. Step 3: Cross multiply
    1,350,263.28x = 2,026,391.76 × 640,293.72
  4. Step 4: Simplify right side
    1,350,263.28x = 1,297,485,918,187.75
  5. Step 5: Solve for x
    x = 1,297,485,918,187.75/1,350,263.28
  6. Step 6: Final answer
    x = 960,913.28

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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.