Home / 1,450,919.61-2,001,647.97-906,109.56

Finding the Fourth Proportional to 1,450,919.61, 2,001,647.97 and 906,109.56

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Solution

The fourth proportional to 1,450,919.61, 2,001,647.97 and 906,109.56 is: 1,250,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,919.61 : 2,001,647.97 = 906,109.56 : x
  2. Step 2: Convert to fraction form
    1,450,919.61/2,001,647.97 = 906,109.56/x
  3. Step 3: Cross multiply
    1,450,919.61x = 2,001,647.97 × 906,109.56
  4. Step 4: Simplify right side
    1,450,919.61x = 1,813,712,361,371.59
  5. Step 5: Solve for x
    x = 1,813,712,361,371.59/1,450,919.61
  6. Step 6: Final answer
    x = 1,250,043.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.