Home / 1,216,063.94-1,678,138.66-672,185.69

Finding the Fourth Proportional to 1,216,063.94, 1,678,138.66 and 672,185.69

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Solution

The fourth proportional to 1,216,063.94, 1,678,138.66 and 672,185.69 is: 927,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,063.94 : 1,678,138.66 = 672,185.69 : x
  2. Step 2: Convert to fraction form
    1,216,063.94/1,678,138.66 = 672,185.69/x
  3. Step 3: Cross multiply
    1,216,063.94x = 1,678,138.66 × 672,185.69
  4. Step 4: Simplify right side
    1,216,063.94x = 1,128,020,791,830.33
  5. Step 5: Solve for x
    x = 1,128,020,791,830.33/1,216,063.94
  6. Step 6: Final answer
    x = 927,599.91

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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.