Home / 1,295,258.88-1,787,465.04-722,335.32

Finding the Fourth Proportional to 1,295,258.88, 1,787,465.04 and 722,335.32

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Solution

The fourth proportional to 1,295,258.88, 1,787,465.04 and 722,335.32 is: 996,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,258.88 : 1,787,465.04 = 722,335.32 : x
  2. Step 2: Convert to fraction form
    1,295,258.88/1,787,465.04 = 722,335.32/x
  3. Step 3: Cross multiply
    1,295,258.88x = 1,787,465.04 × 722,335.32
  4. Step 4: Simplify right side
    1,295,258.88x = 1,291,149,131,657.21
  5. Step 5: Solve for x
    x = 1,291,149,131,657.21/1,295,258.88
  6. Step 6: Final answer
    x = 996,827.08

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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.