Home / 925,754.40-1,390,705.20-887,968.80

Finding the Fourth Proportional to 925,754.40, 1,390,705.20 and 887,968.80

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Solution

The fourth proportional to 925,754.40, 1,390,705.20 and 887,968.80 is: 1,333,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,754.40 : 1,390,705.20 = 887,968.80 : x
  2. Step 2: Convert to fraction form
    925,754.40/1,390,705.20 = 887,968.80/x
  3. Step 3: Cross multiply
    925,754.40x = 1,390,705.20 × 887,968.80
  4. Step 4: Simplify right side
    925,754.40x = 1,234,902,827,597.76
  5. Step 5: Solve for x
    x = 1,234,902,827,597.76/925,754.40
  6. Step 6: Final answer
    x = 1,333,942.16

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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.