Home / 1,682,598.96-2,523,904.92-420,427.80

Finding the Fourth Proportional to 1,682,598.96, 2,523,904.92 and 420,427.80

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Solution

The fourth proportional to 1,682,598.96, 2,523,904.92 and 420,427.80 is: 630,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,598.96 : 2,523,904.92 = 420,427.80 : x
  2. Step 2: Convert to fraction form
    1,682,598.96/2,523,904.92 = 420,427.80/x
  3. Step 3: Cross multiply
    1,682,598.96x = 2,523,904.92 × 420,427.80
  4. Step 4: Simplify right side
    1,682,598.96x = 1,061,119,792,924.78
  5. Step 5: Solve for x
    x = 1,061,119,792,924.78/1,682,598.96
  6. Step 6: Final answer
    x = 630,643.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.