Home / 1,178,180.40-1,766,104.20-578,650.80

Finding the Fourth Proportional to 1,178,180.40, 1,766,104.20 and 578,650.80

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Solution

The fourth proportional to 1,178,180.40, 1,766,104.20 and 578,650.80 is: 867,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,180.40 : 1,766,104.20 = 578,650.80 : x
  2. Step 2: Convert to fraction form
    1,178,180.40/1,766,104.20 = 578,650.80/x
  3. Step 3: Cross multiply
    1,178,180.40x = 1,766,104.20 × 578,650.80
  4. Step 4: Simplify right side
    1,178,180.40x = 1,021,957,608,213.36
  5. Step 5: Solve for x
    x = 1,021,957,608,213.36/1,178,180.40
  6. Step 6: Final answer
    x = 867,403.34

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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.