Home / 1,190,448.62-1,642,831.03-646,595.04

Finding the Fourth Proportional to 1,190,448.62, 1,642,831.03 and 646,595.04

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Solution

The fourth proportional to 1,190,448.62, 1,642,831.03 and 646,595.04 is: 892,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,448.62 : 1,642,831.03 = 646,595.04 : x
  2. Step 2: Convert to fraction form
    1,190,448.62/1,642,831.03 = 646,595.04/x
  3. Step 3: Cross multiply
    1,190,448.62x = 1,642,831.03 × 646,595.04
  4. Step 4: Simplify right side
    1,190,448.62x = 1,062,246,395,556.09
  5. Step 5: Solve for x
    x = 1,062,246,395,556.09/1,190,448.62
  6. Step 6: Final answer
    x = 892,307.64

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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.