Home / 1,225,319.40-1,839,728.70-959,380.20

Finding the Fourth Proportional to 1,225,319.40, 1,839,728.70 and 959,380.20

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Solution

The fourth proportional to 1,225,319.40, 1,839,728.70 and 959,380.20 is: 1,440,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,319.40 : 1,839,728.70 = 959,380.20 : x
  2. Step 2: Convert to fraction form
    1,225,319.40/1,839,728.70 = 959,380.20/x
  3. Step 3: Cross multiply
    1,225,319.40x = 1,839,728.70 × 959,380.20
  4. Step 4: Simplify right side
    1,225,319.40x = 1,764,999,288,151.74
  5. Step 5: Solve for x
    x = 1,764,999,288,151.74/1,225,319.40
  6. Step 6: Final answer
    x = 1,440,440.17

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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.