Home / 1,521,468.23-2,099,150.78-876,800.75

Finding the Fourth Proportional to 1,521,468.23, 2,099,150.78 and 876,800.75

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Solution

The fourth proportional to 1,521,468.23, 2,099,150.78 and 876,800.75 is: 1,209,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,468.23 : 2,099,150.78 = 876,800.75 : x
  2. Step 2: Convert to fraction form
    1,521,468.23/2,099,150.78 = 876,800.75/x
  3. Step 3: Cross multiply
    1,521,468.23x = 2,099,150.78 × 876,800.75
  4. Step 4: Simplify right side
    1,521,468.23x = 1,840,536,963,387.33
  5. Step 5: Solve for x
    x = 1,840,536,963,387.33/1,521,468.23
  6. Step 6: Final answer
    x = 1,209,711.08

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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.