Home / 1,213,128.16-1,673,575.52-703,535.20

Finding the Fourth Proportional to 1,213,128.16, 1,673,575.52 and 703,535.20

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Solution

The fourth proportional to 1,213,128.16, 1,673,575.52 and 703,535.20 is: 970,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,128.16 : 1,673,575.52 = 703,535.20 : x
  2. Step 2: Convert to fraction form
    1,213,128.16/1,673,575.52 = 703,535.20/x
  3. Step 3: Cross multiply
    1,213,128.16x = 1,673,575.52 × 703,535.20
  4. Step 4: Simplify right side
    1,213,128.16x = 1,177,419,288,178.30
  5. Step 5: Solve for x
    x = 1,177,419,288,178.30/1,213,128.16
  6. Step 6: Final answer
    x = 970,564.63

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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.