Home / 1,190,830.92-1,643,365.26-646,977.48

Finding the Fourth Proportional to 1,190,830.92, 1,643,365.26 and 646,977.48

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Solution

The fourth proportional to 1,190,830.92, 1,643,365.26 and 646,977.48 is: 892,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,830.92 : 1,643,365.26 = 646,977.48 : x
  2. Step 2: Convert to fraction form
    1,190,830.92/1,643,365.26 = 646,977.48/x
  3. Step 3: Cross multiply
    1,190,830.92x = 1,643,365.26 × 646,977.48
  4. Step 4: Simplify right side
    1,190,830.92x = 1,063,220,314,634.34
  5. Step 5: Solve for x
    x = 1,063,220,314,634.34/1,190,830.92
  6. Step 6: Final answer
    x = 892,839.02

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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.