Home / 1,273,354.50-1,757,478.78-729,854.58

Finding the Fourth Proportional to 1,273,354.50, 1,757,478.78 and 729,854.58

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Solution

The fourth proportional to 1,273,354.50, 1,757,478.78 and 729,854.58 is: 1,007,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,354.50 : 1,757,478.78 = 729,854.58 : x
  2. Step 2: Convert to fraction form
    1,273,354.50/1,757,478.78 = 729,854.58/x
  3. Step 3: Cross multiply
    1,273,354.50x = 1,757,478.78 × 729,854.58
  4. Step 4: Simplify right side
    1,273,354.50x = 1,282,703,936,835.81
  5. Step 5: Solve for x
    x = 1,282,703,936,835.81/1,273,354.50
  6. Step 6: Final answer
    x = 1,007,342.37

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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.