Home / 752,369.39-1,127,889.77-575,665.26

Finding the Fourth Proportional to 752,369.39, 1,127,889.77 and 575,665.26

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Solution

The fourth proportional to 752,369.39, 1,127,889.77 and 575,665.26 is: 862,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,369.39 : 1,127,889.77 = 575,665.26 : x
  2. Step 2: Convert to fraction form
    752,369.39/1,127,889.77 = 575,665.26/x
  3. Step 3: Cross multiply
    752,369.39x = 1,127,889.77 × 575,665.26
  4. Step 4: Simplify right side
    752,369.39x = 649,286,954,820.06
  5. Step 5: Solve for x
    x = 649,286,954,820.06/752,369.39
  6. Step 6: Final answer
    x = 862,989.60

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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.