Home / 1,103,686.36-1,522,138.73-716,119.88

Finding the Fourth Proportional to 1,103,686.36, 1,522,138.73 and 716,119.88

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Solution

The fourth proportional to 1,103,686.36, 1,522,138.73 and 716,119.88 is: 987,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,686.36 : 1,522,138.73 = 716,119.88 : x
  2. Step 2: Convert to fraction form
    1,103,686.36/1,522,138.73 = 716,119.88/x
  3. Step 3: Cross multiply
    1,103,686.36x = 1,522,138.73 × 716,119.88
  4. Step 4: Simplify right side
    1,103,686.36x = 1,090,033,793,479.66
  5. Step 5: Solve for x
    x = 1,090,033,793,479.66/1,103,686.36
  6. Step 6: Final answer
    x = 987,630.03

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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.