Home / 925,405.40-1,390,181.70-887,619.80

Finding the Fourth Proportional to 925,405.40, 1,390,181.70 and 887,619.80

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Solution

The fourth proportional to 925,405.40, 1,390,181.70 and 887,619.80 is: 1,333,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,405.40 : 1,390,181.70 = 887,619.80 : x
  2. Step 2: Convert to fraction form
    925,405.40/1,390,181.70 = 887,619.80/x
  3. Step 3: Cross multiply
    925,405.40x = 1,390,181.70 × 887,619.80
  4. Step 4: Simplify right side
    925,405.40x = 1,233,952,802,517.66
  5. Step 5: Solve for x
    x = 1,233,952,802,517.66/925,405.40
  6. Step 6: Final answer
    x = 1,333,418.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.