Home / 1,313,042.24-1,969,563.36-315,770.24

Finding the Fourth Proportional to 1,313,042.24, 1,969,563.36 and 315,770.24

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Solution

The fourth proportional to 1,313,042.24, 1,969,563.36 and 315,770.24 is: 473,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,042.24 : 1,969,563.36 = 315,770.24 : x
  2. Step 2: Convert to fraction form
    1,313,042.24/1,969,563.36 = 315,770.24/x
  3. Step 3: Cross multiply
    1,313,042.24x = 1,969,563.36 × 315,770.24
  4. Step 4: Simplify right side
    1,313,042.24x = 621,929,494,882.41
  5. Step 5: Solve for x
    x = 621,929,494,882.41/1,313,042.24
  6. Step 6: Final answer
    x = 473,655.36

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Double scale
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Similar ratio
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1.5x scale

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.