Home / 1,308,668.43-1,805,224.80-764,688.63

Finding the Fourth Proportional to 1,308,668.43, 1,805,224.80 and 764,688.63

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Solution

The fourth proportional to 1,308,668.43, 1,805,224.80 and 764,688.63 is: 1,054,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,668.43 : 1,805,224.80 = 764,688.63 : x
  2. Step 2: Convert to fraction form
    1,308,668.43/1,805,224.80 = 764,688.63/x
  3. Step 3: Cross multiply
    1,308,668.43x = 1,805,224.80 × 764,688.63
  4. Step 4: Simplify right side
    1,308,668.43x = 1,380,434,879,154.02
  5. Step 5: Solve for x
    x = 1,380,434,879,154.02/1,308,668.43
  6. Step 6: Final answer
    x = 1,054,839.29

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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.