Home / 1,234,327.80-1,702,686.24-718,023.60

Finding the Fourth Proportional to 1,234,327.80, 1,702,686.24 and 718,023.60

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Solution

The fourth proportional to 1,234,327.80, 1,702,686.24 and 718,023.60 is: 990,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,327.80 : 1,702,686.24 = 718,023.60 : x
  2. Step 2: Convert to fraction form
    1,234,327.80/1,702,686.24 = 718,023.60/x
  3. Step 3: Cross multiply
    1,234,327.80x = 1,702,686.24 × 718,023.60
  4. Step 4: Simplify right side
    1,234,327.80x = 1,222,568,903,715.26
  5. Step 5: Solve for x
    x = 1,222,568,903,715.26/1,234,327.80
  6. Step 6: Final answer
    x = 990,473.44

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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.