Home / 1,073,296.36-1,480,825.62-643,419.64

Finding the Fourth Proportional to 1,073,296.36, 1,480,825.62 and 643,419.64

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Solution

The fourth proportional to 1,073,296.36, 1,480,825.62 and 643,419.64 is: 887,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,296.36 : 1,480,825.62 = 643,419.64 : x
  2. Step 2: Convert to fraction form
    1,073,296.36/1,480,825.62 = 643,419.64/x
  3. Step 3: Cross multiply
    1,073,296.36x = 1,480,825.62 × 643,419.64
  4. Step 4: Simplify right side
    1,073,296.36x = 952,792,287,323.18
  5. Step 5: Solve for x
    x = 952,792,287,323.18/1,073,296.36
  6. Step 6: Final answer
    x = 887,725.26

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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.