Home / 1,347,693.40-2,021,540.10-449,164.45

Finding the Fourth Proportional to 1,347,693.40, 2,021,540.10 and 449,164.45

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Solution

The fourth proportional to 1,347,693.40, 2,021,540.10 and 449,164.45 is: 673,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,693.40 : 2,021,540.10 = 449,164.45 : x
  2. Step 2: Convert to fraction form
    1,347,693.40/2,021,540.10 = 449,164.45/x
  3. Step 3: Cross multiply
    1,347,693.40x = 2,021,540.10 × 449,164.45
  4. Step 4: Simplify right side
    1,347,693.40x = 908,003,947,169.45
  5. Step 5: Solve for x
    x = 908,003,947,169.45/1,347,693.40
  6. Step 6: Final answer
    x = 673,746.68

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Double scale
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Similar ratio
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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.