Home / 1,216,498.63-1,678,649.74-672,559.93

Finding the Fourth Proportional to 1,216,498.63, 1,678,649.74 and 672,559.93

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Solution

The fourth proportional to 1,216,498.63, 1,678,649.74 and 672,559.93 is: 928,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,498.63 : 1,678,649.74 = 672,559.93 : x
  2. Step 2: Convert to fraction form
    1,216,498.63/1,678,649.74 = 672,559.93/x
  3. Step 3: Cross multiply
    1,216,498.63x = 1,678,649.74 × 672,559.93
  4. Step 4: Simplify right side
    1,216,498.63x = 1,128,992,551,628.92
  5. Step 5: Solve for x
    x = 1,128,992,551,628.92/1,216,498.63
  6. Step 6: Final answer
    x = 928,067.26

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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.