Home / 1,190,480.10-1,642,874.60-646,626.51

Finding the Fourth Proportional to 1,190,480.10, 1,642,874.60 and 646,626.51

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Solution

The fourth proportional to 1,190,480.10, 1,642,874.60 and 646,626.51 is: 892,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,480.10 : 1,642,874.60 = 646,626.51 : x
  2. Step 2: Convert to fraction form
    1,190,480.10/1,642,874.60 = 646,626.51/x
  3. Step 3: Cross multiply
    1,190,480.10x = 1,642,874.60 × 646,626.51
  4. Step 4: Simplify right side
    1,190,480.10x = 1,062,326,265,732.51
  5. Step 5: Solve for x
    x = 1,062,326,265,732.51/1,190,480.10
  6. Step 6: Final answer
    x = 892,351.13

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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.