Home / 1,122,003.19-1,548,497.31-631,988.83

Finding the Fourth Proportional to 1,122,003.19, 1,548,497.31 and 631,988.83

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Solution

The fourth proportional to 1,122,003.19, 1,548,497.31 and 631,988.83 is: 872,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,003.19 : 1,548,497.31 = 631,988.83 : x
  2. Step 2: Convert to fraction form
    1,122,003.19/1,548,497.31 = 631,988.83/x
  3. Step 3: Cross multiply
    1,122,003.19x = 1,548,497.31 × 631,988.83
  4. Step 4: Simplify right side
    1,122,003.19x = 978,633,003,205.05
  5. Step 5: Solve for x
    x = 978,633,003,205.05/1,122,003.19
  6. Step 6: Final answer
    x = 872,219.45

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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.