Home / 815,744.37-1,125,273.74-758,012.79

Finding the Fourth Proportional to 815,744.37, 1,125,273.74 and 758,012.79

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Solution

The fourth proportional to 815,744.37, 1,125,273.74 and 758,012.79 is: 1,045,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,744.37 : 1,125,273.74 = 758,012.79 : x
  2. Step 2: Convert to fraction form
    815,744.37/1,125,273.74 = 758,012.79/x
  3. Step 3: Cross multiply
    815,744.37x = 1,125,273.74 × 758,012.79
  4. Step 4: Simplify right side
    815,744.37x = 852,971,883,381.07
  5. Step 5: Solve for x
    x = 852,971,883,381.07/815,744.37
  6. Step 6: Final answer
    x = 1,045,636.25

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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.