Home / 1,079,449.86-1,489,016.31-697,476.63

Finding the Fourth Proportional to 1,079,449.86, 1,489,016.31 and 697,476.63

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Solution

The fourth proportional to 1,079,449.86, 1,489,016.31 and 697,476.63 is: 962,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,449.86 : 1,489,016.31 = 697,476.63 : x
  2. Step 2: Convert to fraction form
    1,079,449.86/1,489,016.31 = 697,476.63/x
  3. Step 3: Cross multiply
    1,079,449.86x = 1,489,016.31 × 697,476.63
  4. Step 4: Simplify right side
    1,079,449.86x = 1,038,554,077,913.84
  5. Step 5: Solve for x
    x = 1,038,554,077,913.84/1,079,449.86
  6. Step 6: Final answer
    x = 962,114.24

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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.