Home / 1,420,677.77-2,131,857.39-522,750.05

Finding the Fourth Proportional to 1,420,677.77, 2,131,857.39 and 522,750.05

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Solution

The fourth proportional to 1,420,677.77, 2,131,857.39 and 522,750.05 is: 784,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,677.77 : 2,131,857.39 = 522,750.05 : x
  2. Step 2: Convert to fraction form
    1,420,677.77/2,131,857.39 = 522,750.05/x
  3. Step 3: Cross multiply
    1,420,677.77x = 2,131,857.39 × 522,750.05
  4. Step 4: Simplify right side
    1,420,677.77x = 1,114,428,564,505.33
  5. Step 5: Solve for x
    x = 1,114,428,564,505.33/1,420,677.77
  6. Step 6: Final answer
    x = 784,434.43

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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.