Home / 1,445,872.80-2,168,809.20-547,343.86

Finding the Fourth Proportional to 1,445,872.80, 2,168,809.20 and 547,343.86

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Solution

The fourth proportional to 1,445,872.80, 2,168,809.20 and 547,343.86 is: 821,015.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,872.80 : 2,168,809.20 = 547,343.86 : x
  2. Step 2: Convert to fraction form
    1,445,872.80/2,168,809.20 = 547,343.86/x
  3. Step 3: Cross multiply
    1,445,872.80x = 2,168,809.20 × 547,343.86
  4. Step 4: Simplify right side
    1,445,872.80x = 1,187,084,399,131.51
  5. Step 5: Solve for x
    x = 1,187,084,399,131.51/1,445,872.80
  6. Step 6: Final answer
    x = 821,015.79

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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.