Home / 1,786,846.76-2,680,770.41-722,636.16

Finding the Fourth Proportional to 1,786,846.76, 2,680,770.41 and 722,636.16

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Solution

The fourth proportional to 1,786,846.76, 2,680,770.41 and 722,636.16 is: 1,084,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,846.76 : 2,680,770.41 = 722,636.16 : x
  2. Step 2: Convert to fraction form
    1,786,846.76/2,680,770.41 = 722,636.16/x
  3. Step 3: Cross multiply
    1,786,846.76x = 2,680,770.41 × 722,636.16
  4. Step 4: Simplify right side
    1,786,846.76x = 1,937,221,634,924.03
  5. Step 5: Solve for x
    x = 1,937,221,634,924.03/1,786,846.76
  6. Step 6: Final answer
    x = 1,084,156.56

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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.