Home / 1,121,796-1,548,086.04-612,504.72

Finding the Fourth Proportional to 1,121,796, 1,548,086.04 and 612,504.72

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Solution

The fourth proportional to 1,121,796, 1,548,086.04 and 612,504.72 is: 845,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,796 : 1,548,086.04 = 612,504.72 : x
  2. Step 2: Convert to fraction form
    1,121,796/1,548,086.04 = 612,504.72/x
  3. Step 3: Cross multiply
    1,121,796x = 1,548,086.04 × 612,504.72
  4. Step 4: Simplify right side
    1,121,796x = 948,210,006,466.11
  5. Step 5: Solve for x
    x = 948,210,006,466.11/1,121,796
  6. Step 6: Final answer
    x = 845,260.64

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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.