Home / 1,619,214.12-2,428,397.28-481,669.86

Finding the Fourth Proportional to 1,619,214.12, 2,428,397.28 and 481,669.86

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Solution

The fourth proportional to 1,619,214.12, 2,428,397.28 and 481,669.86 is: 722,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,214.12 : 2,428,397.28 = 481,669.86 : x
  2. Step 2: Convert to fraction form
    1,619,214.12/2,428,397.28 = 481,669.86/x
  3. Step 3: Cross multiply
    1,619,214.12x = 2,428,397.28 × 481,669.86
  4. Step 4: Simplify right side
    1,619,214.12x = 1,169,685,777,881.98
  5. Step 5: Solve for x
    x = 1,169,685,777,881.98/1,619,214.12
  6. Step 6: Final answer
    x = 722,378.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.