Home / 1,190,524.55-1,642,953.87-646,660.18

Finding the Fourth Proportional to 1,190,524.55, 1,642,953.87 and 646,660.18

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Solution

The fourth proportional to 1,190,524.55, 1,642,953.87 and 646,660.18 is: 892,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,524.55 : 1,642,953.87 = 646,660.18 : x
  2. Step 2: Convert to fraction form
    1,190,524.55/1,642,953.87 = 646,660.18/x
  3. Step 3: Cross multiply
    1,190,524.55x = 1,642,953.87 × 646,660.18
  4. Step 4: Simplify right side
    1,190,524.55x = 1,062,432,841,198.51
  5. Step 5: Solve for x
    x = 1,062,432,841,198.51/1,190,524.55
  6. Step 6: Final answer
    x = 892,407.33

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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.