Home / 1,246,959.06-1,720,802.55-673,999.23

Finding the Fourth Proportional to 1,246,959.06, 1,720,802.55 and 673,999.23

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Solution

The fourth proportional to 1,246,959.06, 1,720,802.55 and 673,999.23 is: 930,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,959.06 : 1,720,802.55 = 673,999.23 : x
  2. Step 2: Convert to fraction form
    1,246,959.06/1,720,802.55 = 673,999.23/x
  3. Step 3: Cross multiply
    1,246,959.06x = 1,720,802.55 × 673,999.23
  4. Step 4: Simplify right side
    1,246,959.06x = 1,159,819,593,682.04
  5. Step 5: Solve for x
    x = 1,159,819,593,682.04/1,246,959.06
  6. Step 6: Final answer
    x = 930,118.42

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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.