Home / 1,615,733.18-2,229,610.38-890,540.98

Finding the Fourth Proportional to 1,615,733.18, 2,229,610.38 and 890,540.98

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Solution

The fourth proportional to 1,615,733.18, 2,229,610.38 and 890,540.98 is: 1,228,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,733.18 : 2,229,610.38 = 890,540.98 : x
  2. Step 2: Convert to fraction form
    1,615,733.18/2,229,610.38 = 890,540.98/x
  3. Step 3: Cross multiply
    1,615,733.18x = 2,229,610.38 × 890,540.98
  4. Step 4: Simplify right side
    1,615,733.18x = 1,985,559,412,823.37
  5. Step 5: Solve for x
    x = 1,985,559,412,823.37/1,615,733.18
  6. Step 6: Final answer
    x = 1,228,890.66

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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.