Home / 1,259,892.30-1,889,838.45-512,474.70

Finding the Fourth Proportional to 1,259,892.30, 1,889,838.45 and 512,474.70

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Solution

The fourth proportional to 1,259,892.30, 1,889,838.45 and 512,474.70 is: 768,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,892.30 : 1,889,838.45 = 512,474.70 : x
  2. Step 2: Convert to fraction form
    1,259,892.30/1,889,838.45 = 512,474.70/x
  3. Step 3: Cross multiply
    1,259,892.30x = 1,889,838.45 × 512,474.70
  4. Step 4: Simplify right side
    1,259,892.30x = 968,494,392,712.22
  5. Step 5: Solve for x
    x = 968,494,392,712.22/1,259,892.30
  6. Step 6: Final answer
    x = 768,712.05

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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.