Home / 1,190,552.98-1,642,992.78-646,688.61

Finding the Fourth Proportional to 1,190,552.98, 1,642,992.78 and 646,688.61

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Solution

The fourth proportional to 1,190,552.98, 1,642,992.78 and 646,688.61 is: 892,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,552.98 : 1,642,992.78 = 646,688.61 : x
  2. Step 2: Convert to fraction form
    1,190,552.98/1,642,992.78 = 646,688.61/x
  3. Step 3: Cross multiply
    1,190,552.98x = 1,642,992.78 × 646,688.61
  4. Step 4: Simplify right side
    1,190,552.98x = 1,062,504,717,138.24
  5. Step 5: Solve for x
    x = 1,062,504,717,138.24/1,190,552.98
  6. Step 6: Final answer
    x = 892,446.40

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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.