Home / 1,719,422.60-2,579,133.90-1,320,830.60

Finding the Fourth Proportional to 1,719,422.60, 2,579,133.90 and 1,320,830.60

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Solution

The fourth proportional to 1,719,422.60, 2,579,133.90 and 1,320,830.60 is: 1,981,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,422.60 : 2,579,133.90 = 1,320,830.60 : x
  2. Step 2: Convert to fraction form
    1,719,422.60/2,579,133.90 = 1,320,830.60/x
  3. Step 3: Cross multiply
    1,719,422.60x = 2,579,133.90 × 1,320,830.60
  4. Step 4: Simplify right side
    1,719,422.60x = 3,406,598,976,617.34
  5. Step 5: Solve for x
    x = 3,406,598,976,617.34/1,719,422.60
  6. Step 6: Final answer
    x = 1,981,245.90

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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.