Home / 1,221,548.24-1,685,736.96-685,004.24

Finding the Fourth Proportional to 1,221,548.24, 1,685,736.96 and 685,004.24

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Solution

The fourth proportional to 1,221,548.24, 1,685,736.96 and 685,004.24 is: 945,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,548.24 : 1,685,736.96 = 685,004.24 : x
  2. Step 2: Convert to fraction form
    1,221,548.24/1,685,736.96 = 685,004.24/x
  3. Step 3: Cross multiply
    1,221,548.24x = 1,685,736.96 × 685,004.24
  4. Step 4: Simplify right side
    1,221,548.24x = 1,154,736,965,124.71
  5. Step 5: Solve for x
    x = 1,154,736,965,124.71/1,221,548.24
  6. Step 6: Final answer
    x = 945,306.07

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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.