Home / 1,630,645.70-2,250,215.44-905,539.64

Finding the Fourth Proportional to 1,630,645.70, 2,250,215.44 and 905,539.64

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Solution

The fourth proportional to 1,630,645.70, 2,250,215.44 and 905,539.64 is: 1,249,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,645.70 : 2,250,215.44 = 905,539.64 : x
  2. Step 2: Convert to fraction form
    1,630,645.70/2,250,215.44 = 905,539.64/x
  3. Step 3: Cross multiply
    1,630,645.70x = 2,250,215.44 × 905,539.64
  4. Step 4: Simplify right side
    1,630,645.70x = 2,037,659,265,945.12
  5. Step 5: Solve for x
    x = 2,037,659,265,945.12/1,630,645.70
  6. Step 6: Final answer
    x = 1,249,602.70

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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.