Home / 1,361,231.70-2,042,831.70-761,556.30

Finding the Fourth Proportional to 1,361,231.70, 2,042,831.70 and 761,556.30

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Solution

The fourth proportional to 1,361,231.70, 2,042,831.70 and 761,556.30 is: 1,142,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,231.70 : 2,042,831.70 = 761,556.30 : x
  2. Step 2: Convert to fraction form
    1,361,231.70/2,042,831.70 = 761,556.30/x
  3. Step 3: Cross multiply
    1,361,231.70x = 2,042,831.70 × 761,556.30
  4. Step 4: Simplify right side
    1,361,231.70x = 1,555,731,350,974.71
  5. Step 5: Solve for x
    x = 1,555,731,350,974.71/1,361,231.70
  6. Step 6: Final answer
    x = 1,142,885.04

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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.