Home / 1,190,382.48-1,642,739.67-646,528.88

Finding the Fourth Proportional to 1,190,382.48, 1,642,739.67 and 646,528.88

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Solution

The fourth proportional to 1,190,382.48, 1,642,739.67 and 646,528.88 is: 892,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,382.48 : 1,642,739.67 = 646,528.88 : x
  2. Step 2: Convert to fraction form
    1,190,382.48/1,642,739.67 = 646,528.88/x
  3. Step 3: Cross multiply
    1,190,382.48x = 1,642,739.67 × 646,528.88
  4. Step 4: Simplify right side
    1,190,382.48x = 1,062,078,643,083.52
  5. Step 5: Solve for x
    x = 1,062,078,643,083.52/1,190,382.48
  6. Step 6: Final answer
    x = 892,216.29

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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.