Home / 1,220,622.87-1,830,725.31-322,073.91

Finding the Fourth Proportional to 1,220,622.87, 1,830,725.31 and 322,073.91

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Solution

The fourth proportional to 1,220,622.87, 1,830,725.31 and 322,073.91 is: 483,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,622.87 : 1,830,725.31 = 322,073.91 : x
  2. Step 2: Convert to fraction form
    1,220,622.87/1,830,725.31 = 322,073.91/x
  3. Step 3: Cross multiply
    1,220,622.87x = 1,830,725.31 × 322,073.91
  4. Step 4: Simplify right side
    1,220,622.87x = 589,628,858,727.66
  5. Step 5: Solve for x
    x = 589,628,858,727.66/1,220,622.87
  6. Step 6: Final answer
    x = 483,055.72

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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.