Home / 1,351,835.25-1,865,561.82-748,223.25

Finding the Fourth Proportional to 1,351,835.25, 1,865,561.82 and 748,223.25

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Solution

The fourth proportional to 1,351,835.25, 1,865,561.82 and 748,223.25 is: 1,032,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,835.25 : 1,865,561.82 = 748,223.25 : x
  2. Step 2: Convert to fraction form
    1,351,835.25/1,865,561.82 = 748,223.25/x
  3. Step 3: Cross multiply
    1,351,835.25x = 1,865,561.82 × 748,223.25
  4. Step 4: Simplify right side
    1,351,835.25x = 1,395,856,728,036.32
  5. Step 5: Solve for x
    x = 1,395,856,728,036.32/1,351,835.25
  6. Step 6: Final answer
    x = 1,032,564.23

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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.