Home / 1,630,556.20-2,250,092.52-905,450.08

Finding the Fourth Proportional to 1,630,556.20, 2,250,092.52 and 905,450.08

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Solution

The fourth proportional to 1,630,556.20, 2,250,092.52 and 905,450.08 is: 1,249,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,556.20 : 2,250,092.52 = 905,450.08 : x
  2. Step 2: Convert to fraction form
    1,630,556.20/2,250,092.52 = 905,450.08/x
  3. Step 3: Cross multiply
    1,630,556.20x = 2,250,092.52 × 905,450.08
  4. Step 4: Simplify right side
    1,630,556.20x = 2,037,346,452,241.40
  5. Step 5: Solve for x
    x = 2,037,346,452,241.40/1,630,556.20
  6. Step 6: Final answer
    x = 1,249,479.44

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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.