Home / 1,210,055.72-1,815,290.94-368,450.60

Finding the Fourth Proportional to 1,210,055.72, 1,815,290.94 and 368,450.60

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Solution

The fourth proportional to 1,210,055.72, 1,815,290.94 and 368,450.60 is: 552,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,055.72 : 1,815,290.94 = 368,450.60 : x
  2. Step 2: Convert to fraction form
    1,210,055.72/1,815,290.94 = 368,450.60/x
  3. Step 3: Cross multiply
    1,210,055.72x = 1,815,290.94 × 368,450.60
  4. Step 4: Simplify right side
    1,210,055.72x = 668,845,036,017.56
  5. Step 5: Solve for x
    x = 668,845,036,017.56/1,210,055.72
  6. Step 6: Final answer
    x = 552,739.04

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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.