Home / 1,079,443.60-1,619,165.40-331,392.40

Finding the Fourth Proportional to 1,079,443.60, 1,619,165.40 and 331,392.40

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Solution

The fourth proportional to 1,079,443.60, 1,619,165.40 and 331,392.40 is: 497,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,443.60 : 1,619,165.40 = 331,392.40 : x
  2. Step 2: Convert to fraction form
    1,079,443.60/1,619,165.40 = 331,392.40/x
  3. Step 3: Cross multiply
    1,079,443.60x = 1,619,165.40 × 331,392.40
  4. Step 4: Simplify right side
    1,079,443.60x = 536,579,107,902.96
  5. Step 5: Solve for x
    x = 536,579,107,902.96/1,079,443.60
  6. Step 6: Final answer
    x = 497,088.60

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Double scale
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Similar ratio
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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.