Home / 1,273,404.21-1,757,426.73-729,612.12

Finding the Fourth Proportional to 1,273,404.21, 1,757,426.73 and 729,612.12

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Solution

The fourth proportional to 1,273,404.21, 1,757,426.73 and 729,612.12 is: 1,006,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,404.21 : 1,757,426.73 = 729,612.12 : x
  2. Step 2: Convert to fraction form
    1,273,404.21/1,757,426.73 = 729,612.12/x
  3. Step 3: Cross multiply
    1,273,404.21x = 1,757,426.73 × 729,612.12
  4. Step 4: Simplify right side
    1,273,404.21x = 1,282,239,842,219.97
  5. Step 5: Solve for x
    x = 1,282,239,842,219.97/1,273,404.21
  6. Step 6: Final answer
    x = 1,006,938.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.