Home / 1,211,409.28-1,671,817.98-667,544.14

Finding the Fourth Proportional to 1,211,409.28, 1,671,817.98 and 667,544.14

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Solution

The fourth proportional to 1,211,409.28, 1,671,817.98 and 667,544.14 is: 921,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,409.28 : 1,671,817.98 = 667,544.14 : x
  2. Step 2: Convert to fraction form
    1,211,409.28/1,671,817.98 = 667,544.14/x
  3. Step 3: Cross multiply
    1,211,409.28x = 1,671,817.98 × 667,544.14
  4. Step 4: Simplify right side
    1,211,409.28x = 1,116,012,295,695.64
  5. Step 5: Solve for x
    x = 1,116,012,295,695.64/1,211,409.28
  6. Step 6: Final answer
    x = 921,251.24

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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.