Home / 1,212,445.69-1,818,977.45-359,548.49

Finding the Fourth Proportional to 1,212,445.69, 1,818,977.45 and 359,548.49

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Solution

The fourth proportional to 1,212,445.69, 1,818,977.45 and 359,548.49 is: 539,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,445.69 : 1,818,977.45 = 359,548.49 : x
  2. Step 2: Convert to fraction form
    1,212,445.69/1,818,977.45 = 359,548.49/x
  3. Step 3: Cross multiply
    1,212,445.69x = 1,818,977.45 × 359,548.49
  4. Step 4: Simplify right side
    1,212,445.69x = 654,010,598,241.25
  5. Step 5: Solve for x
    x = 654,010,598,241.25/1,212,445.69
  6. Step 6: Final answer
    x = 539,414.35

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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.