Home / 1,427,112.22-1,970,448.06-918,700.24

Finding the Fourth Proportional to 1,427,112.22, 1,970,448.06 and 918,700.24

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Solution

The fourth proportional to 1,427,112.22, 1,970,448.06 and 918,700.24 is: 1,268,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,112.22 : 1,970,448.06 = 918,700.24 : x
  2. Step 2: Convert to fraction form
    1,427,112.22/1,970,448.06 = 918,700.24/x
  3. Step 3: Cross multiply
    1,427,112.22x = 1,970,448.06 × 918,700.24
  4. Step 4: Simplify right side
    1,427,112.22x = 1,810,251,105,629.53
  5. Step 5: Solve for x
    x = 1,810,251,105,629.53/1,427,112.22
  6. Step 6: Final answer
    x = 1,268,471.45

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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.