Home / 1,190,552.23-1,642,991.75-646,687.86

Finding the Fourth Proportional to 1,190,552.23, 1,642,991.75 and 646,687.86

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Solution

The fourth proportional to 1,190,552.23, 1,642,991.75 and 646,687.86 is: 892,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,552.23 : 1,642,991.75 = 646,687.86 : x
  2. Step 2: Convert to fraction form
    1,190,552.23/1,642,991.75 = 646,687.86/x
  3. Step 3: Cross multiply
    1,190,552.23x = 1,642,991.75 × 646,687.86
  4. Step 4: Simplify right side
    1,190,552.23x = 1,062,502,818,805.16
  5. Step 5: Solve for x
    x = 1,062,502,818,805.16/1,190,552.23
  6. Step 6: Final answer
    x = 892,445.36

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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.