Home / 1,144,341.51-1,579,030.09-685,348.53

Finding the Fourth Proportional to 1,144,341.51, 1,579,030.09 and 685,348.53

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Solution

The fourth proportional to 1,144,341.51, 1,579,030.09 and 685,348.53 is: 945,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,341.51 : 1,579,030.09 = 685,348.53 : x
  2. Step 2: Convert to fraction form
    1,144,341.51/1,579,030.09 = 685,348.53/x
  3. Step 3: Cross multiply
    1,144,341.51x = 1,579,030.09 × 685,348.53
  4. Step 4: Simplify right side
    1,144,341.51x = 1,082,185,951,007.27
  5. Step 5: Solve for x
    x = 1,082,185,951,007.27/1,144,341.51
  6. Step 6: Final answer
    x = 945,684.43

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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.