Home / 1,190,577.72-1,642,996-646,713.93

Finding the Fourth Proportional to 1,190,577.72, 1,642,996 and 646,713.93

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Solution

The fourth proportional to 1,190,577.72, 1,642,996 and 646,713.93 is: 892,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,577.72 : 1,642,996 = 646,713.93 : x
  2. Step 2: Convert to fraction form
    1,190,577.72/1,642,996 = 646,713.93/x
  3. Step 3: Cross multiply
    1,190,577.72x = 1,642,996 × 646,713.93
  4. Step 4: Simplify right side
    1,190,577.72x = 1,062,548,400,134.28
  5. Step 5: Solve for x
    x = 1,062,548,400,134.28/1,190,577.72
  6. Step 6: Final answer
    x = 892,464.54

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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.