Home / 1,022,884.83-1,412,185.85-909,393.50

Finding the Fourth Proportional to 1,022,884.83, 1,412,185.85 and 909,393.50

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Solution

The fourth proportional to 1,022,884.83, 1,412,185.85 and 909,393.50 is: 1,255,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,884.83 : 1,412,185.85 = 909,393.50 : x
  2. Step 2: Convert to fraction form
    1,022,884.83/1,412,185.85 = 909,393.50/x
  3. Step 3: Cross multiply
    1,022,884.83x = 1,412,185.85 × 909,393.50
  4. Step 4: Simplify right side
    1,022,884.83x = 1,284,232,635,055.46
  5. Step 5: Solve for x
    x = 1,284,232,635,055.46/1,022,884.83
  6. Step 6: Final answer
    x = 1,255,500.72

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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.