Home / 984,175.40-1,475,474.70-905,443.40

Finding the Fourth Proportional to 984,175.40, 1,475,474.70 and 905,443.40

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Solution

The fourth proportional to 984,175.40, 1,475,474.70 and 905,443.40 is: 1,357,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,175.40 : 1,475,474.70 = 905,443.40 : x
  2. Step 2: Convert to fraction form
    984,175.40/1,475,474.70 = 905,443.40/x
  3. Step 3: Cross multiply
    984,175.40x = 1,475,474.70 × 905,443.40
  4. Step 4: Simplify right side
    984,175.40x = 1,335,958,828,981.98
  5. Step 5: Solve for x
    x = 1,335,958,828,981.98/984,175.40
  6. Step 6: Final answer
    x = 1,357,439.77

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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.