Home / 1,766,288.40-2,649,778.20-755,408.40

Finding the Fourth Proportional to 1,766,288.40, 2,649,778.20 and 755,408.40

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Solution

The fourth proportional to 1,766,288.40, 2,649,778.20 and 755,408.40 is: 1,133,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,288.40 : 2,649,778.20 = 755,408.40 : x
  2. Step 2: Convert to fraction form
    1,766,288.40/2,649,778.20 = 755,408.40/x
  3. Step 3: Cross multiply
    1,766,288.40x = 2,649,778.20 × 755,408.40
  4. Step 4: Simplify right side
    1,766,288.40x = 2,001,664,710,416.88
  5. Step 5: Solve for x
    x = 2,001,664,710,416.88/1,766,288.40
  6. Step 6: Final answer
    x = 1,133,260.41

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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.