Home / 1,630,448.70-2,250,023.58-905,297.82

Finding the Fourth Proportional to 1,630,448.70, 2,250,023.58 and 905,297.82

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Solution

The fourth proportional to 1,630,448.70, 2,250,023.58 and 905,297.82 is: 1,249,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,448.70 : 2,250,023.58 = 905,297.82 : x
  2. Step 2: Convert to fraction form
    1,630,448.70/2,250,023.58 = 905,297.82/x
  3. Step 3: Cross multiply
    1,630,448.70x = 2,250,023.58 × 905,297.82
  4. Step 4: Simplify right side
    1,630,448.70x = 2,036,941,441,922.60
  5. Step 5: Solve for x
    x = 2,036,941,441,922.60/1,630,448.70
  6. Step 6: Final answer
    x = 1,249,313.42

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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.