Home / 1,630,809.62-2,251,643.24-1,019,237.30

Finding the Fourth Proportional to 1,630,809.62, 2,251,643.24 and 1,019,237.30

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Solution

The fourth proportional to 1,630,809.62, 2,251,643.24 and 1,019,237.30 is: 1,407,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,809.62 : 2,251,643.24 = 1,019,237.30 : x
  2. Step 2: Convert to fraction form
    1,630,809.62/2,251,643.24 = 1,019,237.30/x
  3. Step 3: Cross multiply
    1,630,809.62x = 2,251,643.24 × 1,019,237.30
  4. Step 4: Simplify right side
    1,630,809.62x = 2,294,958,776,500.85
  5. Step 5: Solve for x
    x = 2,294,958,776,500.85/1,630,809.62
  6. Step 6: Final answer
    x = 1,407,251.19

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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.