Home / 1,190,387.73-1,642,746.92-646,534.16

Finding the Fourth Proportional to 1,190,387.73, 1,642,746.92 and 646,534.16

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Solution

The fourth proportional to 1,190,387.73, 1,642,746.92 and 646,534.16 is: 892,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,387.73 : 1,642,746.92 = 646,534.16 : x
  2. Step 2: Convert to fraction form
    1,190,387.73/1,642,746.92 = 646,534.16/x
  3. Step 3: Cross multiply
    1,190,387.73x = 1,642,746.92 × 646,534.16
  4. Step 4: Simplify right side
    1,190,387.73x = 1,062,091,988,568.38
  5. Step 5: Solve for x
    x = 1,062,091,988,568.38/1,190,387.73
  6. Step 6: Final answer
    x = 892,223.57

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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.