Home / 1,342,276.09-1,852,379.94-730,468.31

Finding the Fourth Proportional to 1,342,276.09, 1,852,379.94 and 730,468.31

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Solution

The fourth proportional to 1,342,276.09, 1,852,379.94 and 730,468.31 is: 1,008,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,276.09 : 1,852,379.94 = 730,468.31 : x
  2. Step 2: Convert to fraction form
    1,342,276.09/1,852,379.94 = 730,468.31/x
  3. Step 3: Cross multiply
    1,342,276.09x = 1,852,379.94 × 730,468.31
  4. Step 4: Simplify right side
    1,342,276.09x = 1,353,104,844,753.02
  5. Step 5: Solve for x
    x = 1,353,104,844,753.02/1,342,276.09
  6. Step 6: Final answer
    x = 1,008,067.46

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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.