Home / 1,531,831.56-2,113,844.76-843,369.36

Finding the Fourth Proportional to 1,531,831.56, 2,113,844.76 and 843,369.36

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Solution

The fourth proportional to 1,531,831.56, 2,113,844.76 and 843,369.36 is: 1,163,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,831.56 : 2,113,844.76 = 843,369.36 : x
  2. Step 2: Convert to fraction form
    1,531,831.56/2,113,844.76 = 843,369.36/x
  3. Step 3: Cross multiply
    1,531,831.56x = 2,113,844.76 × 843,369.36
  4. Step 4: Simplify right side
    1,531,831.56x = 1,782,751,902,380.55
  5. Step 5: Solve for x
    x = 1,782,751,902,380.55/1,531,831.56
  6. Step 6: Final answer
    x = 1,163,804.13

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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.