Home / 1,475,987.53-2,036,866.49-855,912.89

Finding the Fourth Proportional to 1,475,987.53, 2,036,866.49 and 855,912.89

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Solution

The fourth proportional to 1,475,987.53, 2,036,866.49 and 855,912.89 is: 1,181,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,987.53 : 2,036,866.49 = 855,912.89 : x
  2. Step 2: Convert to fraction form
    1,475,987.53/2,036,866.49 = 855,912.89/x
  3. Step 3: Cross multiply
    1,475,987.53x = 2,036,866.49 × 855,912.89
  4. Step 4: Simplify right side
    1,475,987.53x = 1,743,380,284,000.06
  5. Step 5: Solve for x
    x = 1,743,380,284,000.06/1,475,987.53
  6. Step 6: Final answer
    x = 1,181,161.93

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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.