Home / 1,216,268.61-1,678,322.03-672,316.61

Finding the Fourth Proportional to 1,216,268.61, 1,678,322.03 and 672,316.61

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Solution

The fourth proportional to 1,216,268.61, 1,678,322.03 and 672,316.61 is: 927,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,268.61 : 1,678,322.03 = 672,316.61 : x
  2. Step 2: Convert to fraction form
    1,216,268.61/1,678,322.03 = 672,316.61/x
  3. Step 3: Cross multiply
    1,216,268.61x = 1,678,322.03 × 672,316.61
  4. Step 4: Simplify right side
    1,216,268.61x = 1,128,363,765,944.73
  5. Step 5: Solve for x
    x = 1,128,363,765,944.73/1,216,268.61
  6. Step 6: Final answer
    x = 927,725.80

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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.