Home / 1,121,849.60-1,548,146.32-612,548.33

Finding the Fourth Proportional to 1,121,849.60, 1,548,146.32 and 612,548.33

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Solution

The fourth proportional to 1,121,849.60, 1,548,146.32 and 612,548.33 is: 845,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,849.60 : 1,548,146.32 = 612,548.33 : x
  2. Step 2: Convert to fraction form
    1,121,849.60/1,548,146.32 = 612,548.33/x
  3. Step 3: Cross multiply
    1,121,849.60x = 1,548,146.32 × 612,548.33
  4. Step 4: Simplify right side
    1,121,849.60x = 948,314,433,639.54
  5. Step 5: Solve for x
    x = 948,314,433,639.54/1,121,849.60
  6. Step 6: Final answer
    x = 845,313.34

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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.