Home / 1,216,327.96-1,678,567.62-672,498.86

Finding the Fourth Proportional to 1,216,327.96, 1,678,567.62 and 672,498.86

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Solution

The fourth proportional to 1,216,327.96, 1,678,567.62 and 672,498.86 is: 928,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,327.96 : 1,678,567.62 = 672,498.86 : x
  2. Step 2: Convert to fraction form
    1,216,327.96/1,678,567.62 = 672,498.86/x
  3. Step 3: Cross multiply
    1,216,327.96x = 1,678,567.62 × 672,498.86
  4. Step 4: Simplify right side
    1,216,327.96x = 1,128,834,805,011.95
  5. Step 5: Solve for x
    x = 1,128,834,805,011.95/1,216,327.96
  6. Step 6: Final answer
    x = 928,067.79

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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.