Home / 1,539,076.80-2,309,781.60-1,006,420.80

Finding the Fourth Proportional to 1,539,076.80, 2,309,781.60 and 1,006,420.80

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Solution

The fourth proportional to 1,539,076.80, 2,309,781.60 and 1,006,420.80 is: 1,510,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,076.80 : 2,309,781.60 = 1,006,420.80 : x
  2. Step 2: Convert to fraction form
    1,539,076.80/2,309,781.60 = 1,006,420.80/x
  3. Step 3: Cross multiply
    1,539,076.80x = 2,309,781.60 × 1,006,420.80
  4. Step 4: Simplify right side
    1,539,076.80x = 2,324,612,245,697.28
  5. Step 5: Solve for x
    x = 2,324,612,245,697.28/1,539,076.80
  6. Step 6: Final answer
    x = 1,510,393.92

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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.