Home / 1,215,063.56-1,822,075.93-416,425.83

Finding the Fourth Proportional to 1,215,063.56, 1,822,075.93 and 416,425.83

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Solution

The fourth proportional to 1,215,063.56, 1,822,075.93 and 416,425.83 is: 624,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,063.56 : 1,822,075.93 = 416,425.83 : x
  2. Step 2: Convert to fraction form
    1,215,063.56/1,822,075.93 = 416,425.83/x
  3. Step 3: Cross multiply
    1,215,063.56x = 1,822,075.93 × 416,425.83
  4. Step 4: Simplify right side
    1,215,063.56x = 758,759,488,777.97
  5. Step 5: Solve for x
    x = 758,759,488,777.97/1,215,063.56
  6. Step 6: Final answer
    x = 624,460.74

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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.