Home / 1,079,100.36-1,489,729.41-697,344.93

Finding the Fourth Proportional to 1,079,100.36, 1,489,729.41 and 697,344.93

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Solution

The fourth proportional to 1,079,100.36, 1,489,729.41 and 697,344.93 is: 962,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,100.36 : 1,489,729.41 = 697,344.93 : x
  2. Step 2: Convert to fraction form
    1,079,100.36/1,489,729.41 = 697,344.93/x
  3. Step 3: Cross multiply
    1,079,100.36x = 1,489,729.41 × 697,344.93
  4. Step 4: Simplify right side
    1,079,100.36x = 1,038,855,251,135.39
  5. Step 5: Solve for x
    x = 1,038,855,251,135.39/1,079,100.36
  6. Step 6: Final answer
    x = 962,704.94

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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.