Home / 1,273,939.35-1,757,835.54-729,970.53

Finding the Fourth Proportional to 1,273,939.35, 1,757,835.54 and 729,970.53

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Solution

The fourth proportional to 1,273,939.35, 1,757,835.54 and 729,970.53 is: 1,007,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,939.35 : 1,757,835.54 = 729,970.53 : x
  2. Step 2: Convert to fraction form
    1,273,939.35/1,757,835.54 = 729,970.53/x
  3. Step 3: Cross multiply
    1,273,939.35x = 1,757,835.54 × 729,970.53
  4. Step 4: Simplify right side
    1,273,939.35x = 1,283,168,140,786.64
  5. Step 5: Solve for x
    x = 1,283,168,140,786.64/1,273,939.35
  6. Step 6: Final answer
    x = 1,007,244.29

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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.