Home / 1,213,208.55-1,819,812.83-414,370.35

Finding the Fourth Proportional to 1,213,208.55, 1,819,812.83 and 414,370.35

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Solution

The fourth proportional to 1,213,208.55, 1,819,812.83 and 414,370.35 is: 621,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,208.55 : 1,819,812.83 = 414,370.35 : x
  2. Step 2: Convert to fraction form
    1,213,208.55/1,819,812.83 = 414,370.35/x
  3. Step 3: Cross multiply
    1,213,208.55x = 1,819,812.83 × 414,370.35
  4. Step 4: Simplify right side
    1,213,208.55x = 754,076,477,229.74
  5. Step 5: Solve for x
    x = 754,076,477,229.74/1,213,208.55
  6. Step 6: Final answer
    x = 621,555.53

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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.