Home / 1,542,425.60-2,313,638.40-405,112.70

Finding the Fourth Proportional to 1,542,425.60, 2,313,638.40 and 405,112.70

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Solution

The fourth proportional to 1,542,425.60, 2,313,638.40 and 405,112.70 is: 607,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,425.60 : 2,313,638.40 = 405,112.70 : x
  2. Step 2: Convert to fraction form
    1,542,425.60/2,313,638.40 = 405,112.70/x
  3. Step 3: Cross multiply
    1,542,425.60x = 2,313,638.40 × 405,112.70
  4. Step 4: Simplify right side
    1,542,425.60x = 937,284,299,047.68
  5. Step 5: Solve for x
    x = 937,284,299,047.68/1,542,425.60
  6. Step 6: Final answer
    x = 607,669.05

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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.