Home / 1,404,474.12-1,937,622.83-815,673.33

Finding the Fourth Proportional to 1,404,474.12, 1,937,622.83 and 815,673.33

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Solution

The fourth proportional to 1,404,474.12, 1,937,622.83 and 815,673.33 is: 1,125,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,474.12 : 1,937,622.83 = 815,673.33 : x
  2. Step 2: Convert to fraction form
    1,404,474.12/1,937,622.83 = 815,673.33/x
  3. Step 3: Cross multiply
    1,404,474.12x = 1,937,622.83 × 815,673.33
  4. Step 4: Simplify right side
    1,404,474.12x = 1,580,467,273,136.48
  5. Step 5: Solve for x
    x = 1,580,467,273,136.48/1,404,474.12
  6. Step 6: Final answer
    x = 1,125,308.93

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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.