Home / 1,245,622.51-1,718,959.06-672,662.68

Finding the Fourth Proportional to 1,245,622.51, 1,718,959.06 and 672,662.68

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Solution

The fourth proportional to 1,245,622.51, 1,718,959.06 and 672,662.68 is: 928,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,622.51 : 1,718,959.06 = 672,662.68 : x
  2. Step 2: Convert to fraction form
    1,245,622.51/1,718,959.06 = 672,662.68/x
  3. Step 3: Cross multiply
    1,245,622.51x = 1,718,959.06 × 672,662.68
  4. Step 4: Simplify right side
    1,245,622.51x = 1,156,279,610,683.35
  5. Step 5: Solve for x
    x = 1,156,279,610,683.35/1,245,622.51
  6. Step 6: Final answer
    x = 928,274.50

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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.