Home / 1,229,218.02-1,696,197.24-685,303.02

Finding the Fourth Proportional to 1,229,218.02, 1,696,197.24 and 685,303.02

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Solution

The fourth proportional to 1,229,218.02, 1,696,197.24 and 685,303.02 is: 945,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,218.02 : 1,696,197.24 = 685,303.02 : x
  2. Step 2: Convert to fraction form
    1,229,218.02/1,696,197.24 = 685,303.02/x
  3. Step 3: Cross multiply
    1,229,218.02x = 1,696,197.24 × 685,303.02
  4. Step 4: Simplify right side
    1,229,218.02x = 1,162,409,091,087.66
  5. Step 5: Solve for x
    x = 1,162,409,091,087.66/1,229,218.02
  6. Step 6: Final answer
    x = 945,649.24

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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.