Home / 1,485,408.30-2,049,869.62-840,952.86

Finding the Fourth Proportional to 1,485,408.30, 2,049,869.62 and 840,952.86

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Solution

The fourth proportional to 1,485,408.30, 2,049,869.62 and 840,952.86 is: 1,160,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,408.30 : 2,049,869.62 = 840,952.86 : x
  2. Step 2: Convert to fraction form
    1,485,408.30/2,049,869.62 = 840,952.86/x
  3. Step 3: Cross multiply
    1,485,408.30x = 2,049,869.62 × 840,952.86
  4. Step 4: Simplify right side
    1,485,408.30x = 1,723,843,719,566.11
  5. Step 5: Solve for x
    x = 1,723,843,719,566.11/1,485,408.30
  6. Step 6: Final answer
    x = 1,160,518.44

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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.