Home / 1,008,053.20-1,512,079.80-819,096.40

Finding the Fourth Proportional to 1,008,053.20, 1,512,079.80 and 819,096.40

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Solution

The fourth proportional to 1,008,053.20, 1,512,079.80 and 819,096.40 is: 1,228,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,053.20 : 1,512,079.80 = 819,096.40 : x
  2. Step 2: Convert to fraction form
    1,008,053.20/1,512,079.80 = 819,096.40/x
  3. Step 3: Cross multiply
    1,008,053.20x = 1,512,079.80 × 819,096.40
  4. Step 4: Simplify right side
    1,008,053.20x = 1,238,539,120,692.72
  5. Step 5: Solve for x
    x = 1,238,539,120,692.72/1,008,053.20
  6. Step 6: Final answer
    x = 1,228,644.60

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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.