Home / 913,994.30-1,262,625.98-729,991.31

Finding the Fourth Proportional to 913,994.30, 1,262,625.98 and 729,991.31

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Solution

The fourth proportional to 913,994.30, 1,262,625.98 and 729,991.31 is: 1,008,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,994.30 : 1,262,625.98 = 729,991.31 : x
  2. Step 2: Convert to fraction form
    913,994.30/1,262,625.98 = 729,991.31/x
  3. Step 3: Cross multiply
    913,994.30x = 1,262,625.98 × 729,991.31
  4. Step 4: Simplify right side
    913,994.30x = 921,705,983,217.15
  5. Step 5: Solve for x
    x = 921,705,983,217.15/913,994.30
  6. Step 6: Final answer
    x = 1,008,437.34

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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.