Home / 1,264,986-1,897,361.37-354,250.89

Finding the Fourth Proportional to 1,264,986, 1,897,361.37 and 354,250.89

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Solution

The fourth proportional to 1,264,986, 1,897,361.37 and 354,250.89 is: 531,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,986 : 1,897,361.37 = 354,250.89 : x
  2. Step 2: Convert to fraction form
    1,264,986/1,897,361.37 = 354,250.89/x
  3. Step 3: Cross multiply
    1,264,986x = 1,897,361.37 × 354,250.89
  4. Step 4: Simplify right side
    1,264,986x = 672,141,953,974.12
  5. Step 5: Solve for x
    x = 672,141,953,974.12/1,264,986
  6. Step 6: Final answer
    x = 531,343.39

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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.