Home / 1,305,795.12-1,803,150.36-823,169.04

Finding the Fourth Proportional to 1,305,795.12, 1,803,150.36 and 823,169.04

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Solution

The fourth proportional to 1,305,795.12, 1,803,150.36 and 823,169.04 is: 1,136,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,795.12 : 1,803,150.36 = 823,169.04 : x
  2. Step 2: Convert to fraction form
    1,305,795.12/1,803,150.36 = 823,169.04/x
  3. Step 3: Cross multiply
    1,305,795.12x = 1,803,150.36 × 823,169.04
  4. Step 4: Simplify right side
    1,305,795.12x = 1,484,297,550,816.85
  5. Step 5: Solve for x
    x = 1,484,297,550,816.85/1,305,795.12
  6. Step 6: Final answer
    x = 1,136,700.18

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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.