Home / 1,211,118.26-1,671,344.78-659,831.22

Finding the Fourth Proportional to 1,211,118.26, 1,671,344.78 and 659,831.22

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Solution

The fourth proportional to 1,211,118.26, 1,671,344.78 and 659,831.22 is: 910,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,118.26 : 1,671,344.78 = 659,831.22 : x
  2. Step 2: Convert to fraction form
    1,211,118.26/1,671,344.78 = 659,831.22/x
  3. Step 3: Cross multiply
    1,211,118.26x = 1,671,344.78 × 659,831.22
  4. Step 4: Simplify right side
    1,211,118.26x = 1,102,805,461,928.88
  5. Step 5: Solve for x
    x = 1,102,805,461,928.88/1,211,118.26
  6. Step 6: Final answer
    x = 910,567.95

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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.