Home / 1,618,051.60-2,422,411.80-988,195.60

Finding the Fourth Proportional to 1,618,051.60, 2,422,411.80 and 988,195.60

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Solution

The fourth proportional to 1,618,051.60, 2,422,411.80 and 988,195.60 is: 1,479,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,051.60 : 2,422,411.80 = 988,195.60 : x
  2. Step 2: Convert to fraction form
    1,618,051.60/2,422,411.80 = 988,195.60/x
  3. Step 3: Cross multiply
    1,618,051.60x = 2,422,411.80 × 988,195.60
  4. Step 4: Simplify right side
    1,618,051.60x = 2,393,816,682,148.08
  5. Step 5: Solve for x
    x = 2,393,816,682,148.08/1,618,051.60
  6. Step 6: Final answer
    x = 1,479,443.97

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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.