Home / 1,489,982.40-2,235,320.64-425,039.04

Finding the Fourth Proportional to 1,489,982.40, 2,235,320.64 and 425,039.04

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Solution

The fourth proportional to 1,489,982.40, 2,235,320.64 and 425,039.04 is: 637,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,982.40 : 2,235,320.64 = 425,039.04 : x
  2. Step 2: Convert to fraction form
    1,489,982.40/2,235,320.64 = 425,039.04/x
  3. Step 3: Cross multiply
    1,489,982.40x = 2,235,320.64 × 425,039.04
  4. Step 4: Simplify right side
    1,489,982.40x = 950,098,538,917.79
  5. Step 5: Solve for x
    x = 950,098,538,917.79/1,489,982.40
  6. Step 6: Final answer
    x = 637,657.56

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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.