Home / 1,213,146.84-1,674,148.19-669,282.41

Finding the Fourth Proportional to 1,213,146.84, 1,674,148.19 and 669,282.41

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Solution

The fourth proportional to 1,213,146.84, 1,674,148.19 and 669,282.41 is: 923,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,146.84 : 1,674,148.19 = 669,282.41 : x
  2. Step 2: Convert to fraction form
    1,213,146.84/1,674,148.19 = 669,282.41/x
  3. Step 3: Cross multiply
    1,213,146.84x = 1,674,148.19 × 669,282.41
  4. Step 4: Simplify right side
    1,213,146.84x = 1,120,477,923,583.19
  5. Step 5: Solve for x
    x = 1,120,477,923,583.19/1,213,146.84
  6. Step 6: Final answer
    x = 923,612.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.