Home / 928,015.40-1,392,023.10-880,092.20

Finding the Fourth Proportional to 928,015.40, 1,392,023.10 and 880,092.20

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Solution

The fourth proportional to 928,015.40, 1,392,023.10 and 880,092.20 is: 1,320,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,015.40 : 1,392,023.10 = 880,092.20 : x
  2. Step 2: Convert to fraction form
    928,015.40/1,392,023.10 = 880,092.20/x
  3. Step 3: Cross multiply
    928,015.40x = 1,392,023.10 × 880,092.20
  4. Step 4: Simplify right side
    928,015.40x = 1,225,108,672,529.82
  5. Step 5: Solve for x
    x = 1,225,108,672,529.82/928,015.40
  6. Step 6: Final answer
    x = 1,320,138.30

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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.