Home / 1,022,857.02-1,412,147.45-909,365.63

Finding the Fourth Proportional to 1,022,857.02, 1,412,147.45 and 909,365.63

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Solution

The fourth proportional to 1,022,857.02, 1,412,147.45 and 909,365.63 is: 1,255,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,857.02 : 1,412,147.45 = 909,365.63 : x
  2. Step 2: Convert to fraction form
    1,022,857.02/1,412,147.45 = 909,365.63/x
  3. Step 3: Cross multiply
    1,022,857.02x = 1,412,147.45 × 909,365.63
  4. Step 4: Simplify right side
    1,022,857.02x = 1,284,158,350,734.82
  5. Step 5: Solve for x
    x = 1,284,158,350,734.82/1,022,857.02
  6. Step 6: Final answer
    x = 1,255,462.23

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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.