Home / 1,186,738.92-1,780,403.58-345,290.58

Finding the Fourth Proportional to 1,186,738.92, 1,780,403.58 and 345,290.58

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Solution

The fourth proportional to 1,186,738.92, 1,780,403.58 and 345,290.58 is: 518,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,738.92 : 1,780,403.58 = 345,290.58 : x
  2. Step 2: Convert to fraction form
    1,186,738.92/1,780,403.58 = 345,290.58/x
  3. Step 3: Cross multiply
    1,186,738.92x = 1,780,403.58 × 345,290.58
  4. Step 4: Simplify right side
    1,186,738.92x = 614,756,584,772.28
  5. Step 5: Solve for x
    x = 614,756,584,772.28/1,186,738.92
  6. Step 6: Final answer
    x = 518,021.76

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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.