Home / 1,260,272.96-1,739,107.32-716,333.12

Finding the Fourth Proportional to 1,260,272.96, 1,739,107.32 and 716,333.12

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Solution

The fourth proportional to 1,260,272.96, 1,739,107.32 and 716,333.12 is: 988,500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,272.96 : 1,739,107.32 = 716,333.12 : x
  2. Step 2: Convert to fraction form
    1,260,272.96/1,739,107.32 = 716,333.12/x
  3. Step 3: Cross multiply
    1,260,272.96x = 1,739,107.32 × 716,333.12
  4. Step 4: Simplify right side
    1,260,272.96x = 1,245,780,172,550.44
  5. Step 5: Solve for x
    x = 1,245,780,172,550.44/1,260,272.96
  6. Step 6: Final answer
    x = 988,500.28

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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.