Home / 1,448,431.90-2,172,637.05-437,551.90

Finding the Fourth Proportional to 1,448,431.90, 2,172,637.05 and 437,551.90

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Solution

The fourth proportional to 1,448,431.90, 2,172,637.05 and 437,551.90 is: 656,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,431.90 : 2,172,637.05 = 437,551.90 : x
  2. Step 2: Convert to fraction form
    1,448,431.90/2,172,637.05 = 437,551.90/x
  3. Step 3: Cross multiply
    1,448,431.90x = 2,172,637.05 × 437,551.90
  4. Step 4: Simplify right side
    1,448,431.90x = 950,641,469,237.90
  5. Step 5: Solve for x
    x = 950,641,469,237.90/1,448,431.90
  6. Step 6: Final answer
    x = 656,324.59

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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.