Home / 1,114,818.56-1,538,016.91-788,611.11

Finding the Fourth Proportional to 1,114,818.56, 1,538,016.91 and 788,611.11

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Solution

The fourth proportional to 1,114,818.56, 1,538,016.91 and 788,611.11 is: 1,087,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,818.56 : 1,538,016.91 = 788,611.11 : x
  2. Step 2: Convert to fraction form
    1,114,818.56/1,538,016.91 = 788,611.11/x
  3. Step 3: Cross multiply
    1,114,818.56x = 1,538,016.91 × 788,611.11
  4. Step 4: Simplify right side
    1,114,818.56x = 1,212,897,219,290.72
  5. Step 5: Solve for x
    x = 1,212,897,219,290.72/1,114,818.56
  6. Step 6: Final answer
    x = 1,087,977.24

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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.