Home / 1,326,232.80-1,830,200.64-722,620.80

Finding the Fourth Proportional to 1,326,232.80, 1,830,200.64 and 722,620.80

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Solution

The fourth proportional to 1,326,232.80, 1,830,200.64 and 722,620.80 is: 997,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,232.80 : 1,830,200.64 = 722,620.80 : x
  2. Step 2: Convert to fraction form
    1,326,232.80/1,830,200.64 = 722,620.80/x
  3. Step 3: Cross multiply
    1,326,232.80x = 1,830,200.64 × 722,620.80
  4. Step 4: Simplify right side
    1,326,232.80x = 1,322,541,050,637.31
  5. Step 5: Solve for x
    x = 1,322,541,050,637.31/1,326,232.80
  6. Step 6: Final answer
    x = 997,216.36

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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.