Home / 1,640,859.05-2,461,288.57-442,779.44

Finding the Fourth Proportional to 1,640,859.05, 2,461,288.57 and 442,779.44

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Solution

The fourth proportional to 1,640,859.05, 2,461,288.57 and 442,779.44 is: 664,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,859.05 : 2,461,288.57 = 442,779.44 : x
  2. Step 2: Convert to fraction form
    1,640,859.05/2,461,288.57 = 442,779.44/x
  3. Step 3: Cross multiply
    1,640,859.05x = 2,461,288.57 × 442,779.44
  4. Step 4: Simplify right side
    1,640,859.05x = 1,089,807,974,703.00
  5. Step 5: Solve for x
    x = 1,089,807,974,703.00/1,640,859.05
  6. Step 6: Final answer
    x = 664,169.16

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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.