Home / 1,521,879.12-2,100,231.18-833,588.64

Finding the Fourth Proportional to 1,521,879.12, 2,100,231.18 and 833,588.64

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Solution

The fourth proportional to 1,521,879.12, 2,100,231.18 and 833,588.64 is: 1,150,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,879.12 : 2,100,231.18 = 833,588.64 : x
  2. Step 2: Convert to fraction form
    1,521,879.12/2,100,231.18 = 833,588.64/x
  3. Step 3: Cross multiply
    1,521,879.12x = 2,100,231.18 × 833,588.64
  4. Step 4: Simplify right side
    1,521,879.12x = 1,750,728,853,021.80
  5. Step 5: Solve for x
    x = 1,750,728,853,021.80/1,521,879.12
  6. Step 6: Final answer
    x = 1,150,373.13

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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.