Home / 1,190,464.90-1,642,853.60-646,611.30

Finding the Fourth Proportional to 1,190,464.90, 1,642,853.60 and 646,611.30

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Solution

The fourth proportional to 1,190,464.90, 1,642,853.60 and 646,611.30 is: 892,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,464.90 : 1,642,853.60 = 646,611.30 : x
  2. Step 2: Convert to fraction form
    1,190,464.90/1,642,853.60 = 646,611.30/x
  3. Step 3: Cross multiply
    1,190,464.90x = 1,642,853.60 × 646,611.30
  4. Step 4: Simplify right side
    1,190,464.90x = 1,062,287,702,005.68
  5. Step 5: Solve for x
    x = 1,062,287,702,005.68/1,190,464.90
  6. Step 6: Final answer
    x = 892,330.13

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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.