Home / 1,302,483.36-1,954,392.18-620,142.42

Finding the Fourth Proportional to 1,302,483.36, 1,954,392.18 and 620,142.42

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Solution

The fourth proportional to 1,302,483.36, 1,954,392.18 and 620,142.42 is: 930,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,483.36 : 1,954,392.18 = 620,142.42 : x
  2. Step 2: Convert to fraction form
    1,302,483.36/1,954,392.18 = 620,142.42/x
  3. Step 3: Cross multiply
    1,302,483.36x = 1,954,392.18 × 620,142.42
  4. Step 4: Simplify right side
    1,302,483.36x = 1,212,001,496,134.28
  5. Step 5: Solve for x
    x = 1,212,001,496,134.28/1,302,483.36
  6. Step 6: Final answer
    x = 930,531.27

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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.