Home / 1,225,321.40-1,839,731.70-959,382.20

Finding the Fourth Proportional to 1,225,321.40, 1,839,731.70 and 959,382.20

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Solution

The fourth proportional to 1,225,321.40, 1,839,731.70 and 959,382.20 is: 1,440,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,321.40 : 1,839,731.70 = 959,382.20 : x
  2. Step 2: Convert to fraction form
    1,225,321.40/1,839,731.70 = 959,382.20/x
  3. Step 3: Cross multiply
    1,225,321.40x = 1,839,731.70 × 959,382.20
  4. Step 4: Simplify right side
    1,225,321.40x = 1,765,005,845,755.74
  5. Step 5: Solve for x
    x = 1,765,005,845,755.74/1,225,321.40
  6. Step 6: Final answer
    x = 1,440,443.17

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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.