Home / 1,245,625.75-1,718,963.56-672,665.93

Finding the Fourth Proportional to 1,245,625.75, 1,718,963.56 and 672,665.93

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Solution

The fourth proportional to 1,245,625.75, 1,718,963.56 and 672,665.93 is: 928,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,625.75 : 1,718,963.56 = 672,665.93 : x
  2. Step 2: Convert to fraction form
    1,245,625.75/1,718,963.56 = 672,665.93/x
  3. Step 3: Cross multiply
    1,245,625.75x = 1,718,963.56 × 672,665.93
  4. Step 4: Simplify right side
    1,245,625.75x = 1,156,288,221,723.51
  5. Step 5: Solve for x
    x = 1,156,288,221,723.51/1,245,625.75
  6. Step 6: Final answer
    x = 928,279.00

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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.