Home / 1,263,525.60-1,743,665.39-690,565.77

Finding the Fourth Proportional to 1,263,525.60, 1,743,665.39 and 690,565.77

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Solution

The fourth proportional to 1,263,525.60, 1,743,665.39 and 690,565.77 is: 952,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,525.60 : 1,743,665.39 = 690,565.77 : x
  2. Step 2: Convert to fraction form
    1,263,525.60/1,743,665.39 = 690,565.77/x
  3. Step 3: Cross multiply
    1,263,525.60x = 1,743,665.39 × 690,565.77
  4. Step 4: Simplify right side
    1,263,525.60x = 1,204,115,629,214.87
  5. Step 5: Solve for x
    x = 1,204,115,629,214.87/1,263,525.60
  6. Step 6: Final answer
    x = 952,980.79

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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.