Home / 1,210,661.08-1,815,361.03-451,878.50

Finding the Fourth Proportional to 1,210,661.08, 1,815,361.03 and 451,878.50

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Solution

The fourth proportional to 1,210,661.08, 1,815,361.03 and 451,878.50 is: 677,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,661.08 : 1,815,361.03 = 451,878.50 : x
  2. Step 2: Convert to fraction form
    1,210,661.08/1,815,361.03 = 451,878.50/x
  3. Step 3: Cross multiply
    1,210,661.08x = 1,815,361.03 × 451,878.50
  4. Step 4: Simplify right side
    1,210,661.08x = 820,322,608,988.35
  5. Step 5: Solve for x
    x = 820,322,608,988.35/1,210,661.08
  6. Step 6: Final answer
    x = 677,582.38

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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.