Home / 1,138,737.31-1,571,457.84-622,493.48

Finding the Fourth Proportional to 1,138,737.31, 1,571,457.84 and 622,493.48

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Solution

The fourth proportional to 1,138,737.31, 1,571,457.84 and 622,493.48 is: 859,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,737.31 : 1,571,457.84 = 622,493.48 : x
  2. Step 2: Convert to fraction form
    1,138,737.31/1,571,457.84 = 622,493.48/x
  3. Step 3: Cross multiply
    1,138,737.31x = 1,571,457.84 × 622,493.48
  4. Step 4: Simplify right side
    1,138,737.31x = 978,222,259,494.88
  5. Step 5: Solve for x
    x = 978,222,259,494.88/1,138,737.31
  6. Step 6: Final answer
    x = 859,041.19

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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.