Home / 1,529,168.40-2,291,128.20-996,415.20

Finding the Fourth Proportional to 1,529,168.40, 2,291,128.20 and 996,415.20

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Solution

The fourth proportional to 1,529,168.40, 2,291,128.20 and 996,415.20 is: 1,492,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,168.40 : 2,291,128.20 = 996,415.20 : x
  2. Step 2: Convert to fraction form
    1,529,168.40/2,291,128.20 = 996,415.20/x
  3. Step 3: Cross multiply
    1,529,168.40x = 2,291,128.20 × 996,415.20
  4. Step 4: Simplify right side
    1,529,168.40x = 2,282,914,963,628.64
  5. Step 5: Solve for x
    x = 2,282,914,963,628.64/1,529,168.40
  6. Step 6: Final answer
    x = 1,492,912.73

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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.