Home / 1,672,125.88-2,307,456.37-946,978.80

Finding the Fourth Proportional to 1,672,125.88, 2,307,456.37 and 946,978.80

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Solution

The fourth proportional to 1,672,125.88, 2,307,456.37 and 946,978.80 is: 1,306,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,125.88 : 2,307,456.37 = 946,978.80 : x
  2. Step 2: Convert to fraction form
    1,672,125.88/2,307,456.37 = 946,978.80/x
  3. Step 3: Cross multiply
    1,672,125.88x = 2,307,456.37 × 946,978.80
  4. Step 4: Simplify right side
    1,672,125.88x = 2,185,112,251,518.96
  5. Step 5: Solve for x
    x = 2,185,112,251,518.96/1,672,125.88
  6. Step 6: Final answer
    x = 1,306,786.93

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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.