Home / 1,299,621.58-1,792,757.49-755,697.46

Finding the Fourth Proportional to 1,299,621.58, 1,792,757.49 and 755,697.46

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Solution

The fourth proportional to 1,299,621.58, 1,792,757.49 and 755,697.46 is: 1,042,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,621.58 : 1,792,757.49 = 755,697.46 : x
  2. Step 2: Convert to fraction form
    1,299,621.58/1,792,757.49 = 755,697.46/x
  3. Step 3: Cross multiply
    1,299,621.58x = 1,792,757.49 × 755,697.46
  4. Step 4: Simplify right side
    1,299,621.58x = 1,354,782,281,588.98
  5. Step 5: Solve for x
    x = 1,354,782,281,588.98/1,299,621.58
  6. Step 6: Final answer
    x = 1,042,443.66

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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.