Home / 1,555,321.80-2,332,982.70-557,920.20

Finding the Fourth Proportional to 1,555,321.80, 2,332,982.70 and 557,920.20

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Solution

The fourth proportional to 1,555,321.80, 2,332,982.70 and 557,920.20 is: 836,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,321.80 : 2,332,982.70 = 557,920.20 : x
  2. Step 2: Convert to fraction form
    1,555,321.80/2,332,982.70 = 557,920.20/x
  3. Step 3: Cross multiply
    1,555,321.80x = 2,332,982.70 × 557,920.20
  4. Step 4: Simplify right side
    1,555,321.80x = 1,301,618,174,580.54
  5. Step 5: Solve for x
    x = 1,301,618,174,580.54/1,555,321.80
  6. Step 6: Final answer
    x = 836,880.30

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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.