Home / 1,311,377.03-1,809,755.93-730,599.64

Finding the Fourth Proportional to 1,311,377.03, 1,809,755.93 and 730,599.64

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Solution

The fourth proportional to 1,311,377.03, 1,809,755.93 and 730,599.64 is: 1,008,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,377.03 : 1,809,755.93 = 730,599.64 : x
  2. Step 2: Convert to fraction form
    1,311,377.03/1,809,755.93 = 730,599.64/x
  3. Step 3: Cross multiply
    1,311,377.03x = 1,809,755.93 × 730,599.64
  4. Step 4: Simplify right side
    1,311,377.03x = 1,322,207,030,945.87
  5. Step 5: Solve for x
    x = 1,322,207,030,945.87/1,311,377.03
  6. Step 6: Final answer
    x = 1,008,258.50

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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.