Home / 1,279,467.40-1,922,052.30-1,069,515.40

Finding the Fourth Proportional to 1,279,467.40, 1,922,052.30 and 1,069,515.40

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Solution

The fourth proportional to 1,279,467.40, 1,922,052.30 and 1,069,515.40 is: 1,606,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,467.40 : 1,922,052.30 = 1,069,515.40 : x
  2. Step 2: Convert to fraction form
    1,279,467.40/1,922,052.30 = 1,069,515.40/x
  3. Step 3: Cross multiply
    1,279,467.40x = 1,922,052.30 × 1,069,515.40
  4. Step 4: Simplify right side
    1,279,467.40x = 2,055,664,534,455.42
  5. Step 5: Solve for x
    x = 2,055,664,534,455.42/1,279,467.40
  6. Step 6: Final answer
    x = 1,606,656.44

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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.