Home / 1,129,234.42-1,558,347.73-612,989.33

Finding the Fourth Proportional to 1,129,234.42, 1,558,347.73 and 612,989.33

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Solution

The fourth proportional to 1,129,234.42, 1,558,347.73 and 612,989.33 is: 845,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,234.42 : 1,558,347.73 = 612,989.33 : x
  2. Step 2: Convert to fraction form
    1,129,234.42/1,558,347.73 = 612,989.33/x
  3. Step 3: Cross multiply
    1,129,234.42x = 1,558,347.73 × 612,989.33
  4. Step 4: Simplify right side
    1,129,234.42x = 955,250,521,595.51
  5. Step 5: Solve for x
    x = 955,250,521,595.51/1,129,234.42
  6. Step 6: Final answer
    x = 845,927.56

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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.