Home / 1,078,712.40-1,614,958.20-658,808.40

Finding the Fourth Proportional to 1,078,712.40, 1,614,958.20 and 658,808.40

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Solution

The fourth proportional to 1,078,712.40, 1,614,958.20 and 658,808.40 is: 986,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,712.40 : 1,614,958.20 = 658,808.40 : x
  2. Step 2: Convert to fraction form
    1,078,712.40/1,614,958.20 = 658,808.40/x
  3. Step 3: Cross multiply
    1,078,712.40x = 1,614,958.20 × 658,808.40
  4. Step 4: Simplify right side
    1,078,712.40x = 1,063,948,027,808.88
  5. Step 5: Solve for x
    x = 1,063,948,027,808.88/1,078,712.40
  6. Step 6: Final answer
    x = 986,312.97

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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.