Home / 1,129,174.18-1,558,261.76-612,927.78

Finding the Fourth Proportional to 1,129,174.18, 1,558,261.76 and 612,927.78

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Solution

The fourth proportional to 1,129,174.18, 1,558,261.76 and 612,927.78 is: 845,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,174.18 : 1,558,261.76 = 612,927.78 : x
  2. Step 2: Convert to fraction form
    1,129,174.18/1,558,261.76 = 612,927.78/x
  3. Step 3: Cross multiply
    1,129,174.18x = 1,558,261.76 × 612,927.78
  4. Step 4: Simplify right side
    1,129,174.18x = 955,101,929,765.02
  5. Step 5: Solve for x
    x = 955,101,929,765.02/1,129,174.18
  6. Step 6: Final answer
    x = 845,841.10

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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.