Home / 1,218,678.06-1,684,986.06-1,067,341.26

Finding the Fourth Proportional to 1,218,678.06, 1,684,986.06 and 1,067,341.26

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Solution

The fourth proportional to 1,218,678.06, 1,684,986.06 and 1,067,341.26 is: 1,475,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,678.06 : 1,684,986.06 = 1,067,341.26 : x
  2. Step 2: Convert to fraction form
    1,218,678.06/1,684,986.06 = 1,067,341.26/x
  3. Step 3: Cross multiply
    1,218,678.06x = 1,684,986.06 × 1,067,341.26
  4. Step 4: Simplify right side
    1,218,678.06x = 1,798,455,144,362.84
  5. Step 5: Solve for x
    x = 1,798,455,144,362.84/1,218,678.06
  6. Step 6: Final answer
    x = 1,475,742.61

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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.