Home / 1,022,867.04-1,410,978.48-640,229.52

Finding the Fourth Proportional to 1,022,867.04, 1,410,978.48 and 640,229.52

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Solution

The fourth proportional to 1,022,867.04, 1,410,978.48 and 640,229.52 is: 883,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,867.04 : 1,410,978.48 = 640,229.52 : x
  2. Step 2: Convert to fraction form
    1,022,867.04/1,410,978.48 = 640,229.52/x
  3. Step 3: Cross multiply
    1,022,867.04x = 1,410,978.48 × 640,229.52
  4. Step 4: Simplify right side
    1,022,867.04x = 903,350,074,980.73
  5. Step 5: Solve for x
    x = 903,350,074,980.73/1,022,867.04
  6. Step 6: Final answer
    x = 883,154.94

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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.