Home / 1,284,247.20-1,772,290.62-703,525.80

Finding the Fourth Proportional to 1,284,247.20, 1,772,290.62 and 703,525.80

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Solution

The fourth proportional to 1,284,247.20, 1,772,290.62 and 703,525.80 is: 970,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,247.20 : 1,772,290.62 = 703,525.80 : x
  2. Step 2: Convert to fraction form
    1,284,247.20/1,772,290.62 = 703,525.80/x
  3. Step 3: Cross multiply
    1,284,247.20x = 1,772,290.62 × 703,525.80
  4. Step 4: Simplify right side
    1,284,247.20x = 1,246,852,176,268.00
  5. Step 5: Solve for x
    x = 1,246,852,176,268.00/1,284,247.20
  6. Step 6: Final answer
    x = 970,881.76

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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.