Home / 1,419,087.36-2,127,500.76-819,368.28

Finding the Fourth Proportional to 1,419,087.36, 2,127,500.76 and 819,368.28

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Solution

The fourth proportional to 1,419,087.36, 2,127,500.76 and 819,368.28 is: 1,228,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,087.36 : 2,127,500.76 = 819,368.28 : x
  2. Step 2: Convert to fraction form
    1,419,087.36/2,127,500.76 = 819,368.28/x
  3. Step 3: Cross multiply
    1,419,087.36x = 2,127,500.76 × 819,368.28
  4. Step 4: Simplify right side
    1,419,087.36x = 1,743,206,638,419.89
  5. Step 5: Solve for x
    x = 1,743,206,638,419.89/1,419,087.36
  6. Step 6: Final answer
    x = 1,228,399.81

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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.