Home / 1,215,989.94-1,678,169.68-706,659.50

Finding the Fourth Proportional to 1,215,989.94, 1,678,169.68 and 706,659.50

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Solution

The fourth proportional to 1,215,989.94, 1,678,169.68 and 706,659.50 is: 975,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,989.94 : 1,678,169.68 = 706,659.50 : x
  2. Step 2: Convert to fraction form
    1,215,989.94/1,678,169.68 = 706,659.50/x
  3. Step 3: Cross multiply
    1,215,989.94x = 1,678,169.68 × 706,659.50
  4. Step 4: Simplify right side
    1,215,989.94x = 1,185,894,546,983.96
  5. Step 5: Solve for x
    x = 1,185,894,546,983.96/1,215,989.94
  6. Step 6: Final answer
    x = 975,250.29

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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.