Home / 1,284,110.01-1,771,670.07-740,171.52

Finding the Fourth Proportional to 1,284,110.01, 1,771,670.07 and 740,171.52

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Solution

The fourth proportional to 1,284,110.01, 1,771,670.07 and 740,171.52 is: 1,021,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,110.01 : 1,771,670.07 = 740,171.52 : x
  2. Step 2: Convert to fraction form
    1,284,110.01/1,771,670.07 = 740,171.52/x
  3. Step 3: Cross multiply
    1,284,110.01x = 1,771,670.07 × 740,171.52
  4. Step 4: Simplify right side
    1,284,110.01x = 1,311,339,728,650.41
  5. Step 5: Solve for x
    x = 1,311,339,728,650.41/1,284,110.01
  6. Step 6: Final answer
    x = 1,021,205.13

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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.