Home / 1,311,659.40-1,810,042.16-730,852.52

Finding the Fourth Proportional to 1,311,659.40, 1,810,042.16 and 730,852.52

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Solution

The fourth proportional to 1,311,659.40, 1,810,042.16 and 730,852.52 is: 1,008,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,659.40 : 1,810,042.16 = 730,852.52 : x
  2. Step 2: Convert to fraction form
    1,311,659.40/1,810,042.16 = 730,852.52/x
  3. Step 3: Cross multiply
    1,311,659.40x = 1,810,042.16 × 730,852.52
  4. Step 4: Simplify right side
    1,311,659.40x = 1,322,873,873,942.24
  5. Step 5: Solve for x
    x = 1,322,873,873,942.24/1,311,659.40
  6. Step 6: Final answer
    x = 1,008,549.84

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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.