Home / 1,208,561.92-1,812,843.18-310,003.40

Finding the Fourth Proportional to 1,208,561.92, 1,812,843.18 and 310,003.40

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Solution

The fourth proportional to 1,208,561.92, 1,812,843.18 and 310,003.40 is: 465,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,561.92 : 1,812,843.18 = 310,003.40 : x
  2. Step 2: Convert to fraction form
    1,208,561.92/1,812,843.18 = 310,003.40/x
  3. Step 3: Cross multiply
    1,208,561.92x = 1,812,843.18 × 310,003.40
  4. Step 4: Simplify right side
    1,208,561.92x = 561,987,553,998.92
  5. Step 5: Solve for x
    x = 561,987,553,998.92/1,208,561.92
  6. Step 6: Final answer
    x = 465,005.18

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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.