Home / 1,186,846.04-1,780,549.08-388,124.48

Finding the Fourth Proportional to 1,186,846.04, 1,780,549.08 and 388,124.48

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Solution

The fourth proportional to 1,186,846.04, 1,780,549.08 and 388,124.48 is: 582,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,846.04 : 1,780,549.08 = 388,124.48 : x
  2. Step 2: Convert to fraction form
    1,186,846.04/1,780,549.08 = 388,124.48/x
  3. Step 3: Cross multiply
    1,186,846.04x = 1,780,549.08 × 388,124.48
  4. Step 4: Simplify right side
    1,186,846.04x = 691,074,685,789.48
  5. Step 5: Solve for x
    x = 691,074,685,789.48/1,186,846.04
  6. Step 6: Final answer
    x = 582,278.29

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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.