Home / 1,190,848.26-1,643,361.75-646,988.52

Finding the Fourth Proportional to 1,190,848.26, 1,643,361.75 and 646,988.52

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Solution

The fourth proportional to 1,190,848.26, 1,643,361.75 and 646,988.52 is: 892,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,848.26 : 1,643,361.75 = 646,988.52 : x
  2. Step 2: Convert to fraction form
    1,190,848.26/1,643,361.75 = 646,988.52/x
  3. Step 3: Cross multiply
    1,190,848.26x = 1,643,361.75 × 646,988.52
  4. Step 4: Simplify right side
    1,190,848.26x = 1,063,236,188,883.32
  5. Step 5: Solve for x
    x = 1,063,236,188,883.32/1,190,848.26
  6. Step 6: Final answer
    x = 892,839.35

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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.