Home / 1,159,202.80-1,738,804.20-987,960.70

Finding the Fourth Proportional to 1,159,202.80, 1,738,804.20 and 987,960.70

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Solution

The fourth proportional to 1,159,202.80, 1,738,804.20 and 987,960.70 is: 1,481,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,202.80 : 1,738,804.20 = 987,960.70 : x
  2. Step 2: Convert to fraction form
    1,159,202.80/1,738,804.20 = 987,960.70/x
  3. Step 3: Cross multiply
    1,159,202.80x = 1,738,804.20 × 987,960.70
  4. Step 4: Simplify right side
    1,159,202.80x = 1,717,870,214,594.94
  5. Step 5: Solve for x
    x = 1,717,870,214,594.94/1,159,202.80
  6. Step 6: Final answer
    x = 1,481,941.05

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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.