Home / 1,245,649.01-1,718,995.62-672,689.17

Finding the Fourth Proportional to 1,245,649.01, 1,718,995.62 and 672,689.17

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Solution

The fourth proportional to 1,245,649.01, 1,718,995.62 and 672,689.17 is: 928,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,649.01 : 1,718,995.62 = 672,689.17 : x
  2. Step 2: Convert to fraction form
    1,245,649.01/1,718,995.62 = 672,689.17/x
  3. Step 3: Cross multiply
    1,245,649.01x = 1,718,995.62 × 672,689.17
  4. Step 4: Simplify right side
    1,245,649.01x = 1,156,349,735,963.98
  5. Step 5: Solve for x
    x = 1,156,349,735,963.98/1,245,649.01
  6. Step 6: Final answer
    x = 928,311.04

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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.