Home / 1,270,707.85-1,903,530.78-929,869.37

Finding the Fourth Proportional to 1,270,707.85, 1,903,530.78 and 929,869.37

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Solution

The fourth proportional to 1,270,707.85, 1,903,530.78 and 929,869.37 is: 1,392,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,707.85 : 1,903,530.78 = 929,869.37 : x
  2. Step 2: Convert to fraction form
    1,270,707.85/1,903,530.78 = 929,869.37/x
  3. Step 3: Cross multiply
    1,270,707.85x = 1,903,530.78 × 929,869.37
  4. Step 4: Simplify right side
    1,270,707.85x = 1,770,034,964,794.80
  5. Step 5: Solve for x
    x = 1,770,034,964,794.80/1,270,707.85
  6. Step 6: Final answer
    x = 1,392,951.94

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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.