Home / 1,328,355.48-1,833,121.21-755,395.50

Finding the Fourth Proportional to 1,328,355.48, 1,833,121.21 and 755,395.50

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Solution

The fourth proportional to 1,328,355.48, 1,833,121.21 and 755,395.50 is: 1,042,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,355.48 : 1,833,121.21 = 755,395.50 : x
  2. Step 2: Convert to fraction form
    1,328,355.48/1,833,121.21 = 755,395.50/x
  3. Step 3: Cross multiply
    1,328,355.48x = 1,833,121.21 × 755,395.50
  4. Step 4: Simplify right side
    1,328,355.48x = 1,384,731,512,988.56
  5. Step 5: Solve for x
    x = 1,384,731,512,988.56/1,328,355.48
  6. Step 6: Final answer
    x = 1,042,440.47

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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.