Home / 1,683,140.96-2,524,711.80-420,968.72

Finding the Fourth Proportional to 1,683,140.96, 2,524,711.80 and 420,968.72

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Solution

The fourth proportional to 1,683,140.96, 2,524,711.80 and 420,968.72 is: 631,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,140.96 : 2,524,711.80 = 420,968.72 : x
  2. Step 2: Convert to fraction form
    1,683,140.96/2,524,711.80 = 420,968.72/x
  3. Step 3: Cross multiply
    1,683,140.96x = 2,524,711.80 × 420,968.72
  4. Step 4: Simplify right side
    1,683,140.96x = 1,062,824,694,814.90
  5. Step 5: Solve for x
    x = 1,062,824,694,814.90/1,683,140.96
  6. Step 6: Final answer
    x = 631,453.17

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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.