Home / 1,186,674.48-1,780,121.04-387,960.24

Finding the Fourth Proportional to 1,186,674.48, 1,780,121.04 and 387,960.24

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Solution

The fourth proportional to 1,186,674.48, 1,780,121.04 and 387,960.24 is: 581,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,674.48 : 1,780,121.04 = 387,960.24 : x
  2. Step 2: Convert to fraction form
    1,186,674.48/1,780,121.04 = 387,960.24/x
  3. Step 3: Cross multiply
    1,186,674.48x = 1,780,121.04 × 387,960.24
  4. Step 4: Simplify right side
    1,186,674.48x = 690,616,185,907.45
  5. Step 5: Solve for x
    x = 690,616,185,907.45/1,186,674.48
  6. Step 6: Final answer
    x = 581,976.10

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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.