Home / 1,010,641.64-1,515,162.78-379,485.16

Finding the Fourth Proportional to 1,010,641.64, 1,515,162.78 and 379,485.16

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Solution

The fourth proportional to 1,010,641.64, 1,515,162.78 and 379,485.16 is: 568,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,641.64 : 1,515,162.78 = 379,485.16 : x
  2. Step 2: Convert to fraction form
    1,010,641.64/1,515,162.78 = 379,485.16/x
  3. Step 3: Cross multiply
    1,010,641.64x = 1,515,162.78 × 379,485.16
  4. Step 4: Simplify right side
    1,010,641.64x = 574,981,789,994.35
  5. Step 5: Solve for x
    x = 574,981,789,994.35/1,010,641.64
  6. Step 6: Final answer
    x = 568,927.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.