Home / 1,544,479.20-2,129,018.79-1,084,302.78

Finding the Fourth Proportional to 1,544,479.20, 2,129,018.79 and 1,084,302.78

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Solution

The fourth proportional to 1,544,479.20, 2,129,018.79 and 1,084,302.78 is: 1,494,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,479.20 : 2,129,018.79 = 1,084,302.78 : x
  2. Step 2: Convert to fraction form
    1,544,479.20/2,129,018.79 = 1,084,302.78/x
  3. Step 3: Cross multiply
    1,544,479.20x = 2,129,018.79 × 1,084,302.78
  4. Step 4: Simplify right side
    1,544,479.20x = 2,308,500,992,669.24
  5. Step 5: Solve for x
    x = 2,308,500,992,669.24/1,544,479.20
  6. Step 6: Final answer
    x = 1,494,679.24

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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.