Home / 1,542,430.60-2,313,645.90-405,117.70

Finding the Fourth Proportional to 1,542,430.60, 2,313,645.90 and 405,117.70

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Solution

The fourth proportional to 1,542,430.60, 2,313,645.90 and 405,117.70 is: 607,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,430.60 : 2,313,645.90 = 405,117.70 : x
  2. Step 2: Convert to fraction form
    1,542,430.60/2,313,645.90 = 405,117.70/x
  3. Step 3: Cross multiply
    1,542,430.60x = 2,313,645.90 × 405,117.70
  4. Step 4: Simplify right side
    1,542,430.60x = 937,298,905,622.43
  5. Step 5: Solve for x
    x = 937,298,905,622.43/1,542,430.60
  6. Step 6: Final answer
    x = 607,676.55

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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.