Home / 1,168,919.60-1,753,379.40-420,868.40

Finding the Fourth Proportional to 1,168,919.60, 1,753,379.40 and 420,868.40

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Solution

The fourth proportional to 1,168,919.60, 1,753,379.40 and 420,868.40 is: 631,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,919.60 : 1,753,379.40 = 420,868.40 : x
  2. Step 2: Convert to fraction form
    1,168,919.60/1,753,379.40 = 420,868.40/x
  3. Step 3: Cross multiply
    1,168,919.60x = 1,753,379.40 × 420,868.40
  4. Step 4: Simplify right side
    1,168,919.60x = 737,941,982,670.96
  5. Step 5: Solve for x
    x = 737,941,982,670.96/1,168,919.60
  6. Step 6: Final answer
    x = 631,302.60

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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.