Home / 1,803,704.30-2,489,023.08-987,911.58

Finding the Fourth Proportional to 1,803,704.30, 2,489,023.08 and 987,911.58

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Solution

The fourth proportional to 1,803,704.30, 2,489,023.08 and 987,911.58 is: 1,363,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,704.30 : 2,489,023.08 = 987,911.58 : x
  2. Step 2: Convert to fraction form
    1,803,704.30/2,489,023.08 = 987,911.58/x
  3. Step 3: Cross multiply
    1,803,704.30x = 2,489,023.08 × 987,911.58
  4. Step 4: Simplify right side
    1,803,704.30x = 2,458,934,723,619.27
  5. Step 5: Solve for x
    x = 2,458,934,723,619.27/1,803,704.30
  6. Step 6: Final answer
    x = 1,363,269.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.