Home / 1,384,376.74-1,910,440.31-764,182.33

Finding the Fourth Proportional to 1,384,376.74, 1,910,440.31 and 764,182.33

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Solution

The fourth proportional to 1,384,376.74, 1,910,440.31 and 764,182.33 is: 1,054,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,376.74 : 1,910,440.31 = 764,182.33 : x
  2. Step 2: Convert to fraction form
    1,384,376.74/1,910,440.31 = 764,182.33/x
  3. Step 3: Cross multiply
    1,384,376.74x = 1,910,440.31 × 764,182.33
  4. Step 4: Simplify right side
    1,384,376.74x = 1,459,924,718,824.71
  5. Step 5: Solve for x
    x = 1,459,924,718,824.71/1,384,376.74
  6. Step 6: Final answer
    x = 1,054,571.84

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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.