Home / 1,359,728-2,039,635.20-413,106.96

Finding the Fourth Proportional to 1,359,728, 2,039,635.20 and 413,106.96

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Solution

The fourth proportional to 1,359,728, 2,039,635.20 and 413,106.96 is: 619,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,728 : 2,039,635.20 = 413,106.96 : x
  2. Step 2: Convert to fraction form
    1,359,728/2,039,635.20 = 413,106.96/x
  3. Step 3: Cross multiply
    1,359,728x = 2,039,635.20 × 413,106.96
  4. Step 4: Simplify right side
    1,359,728x = 842,587,496,980.99
  5. Step 5: Solve for x
    x = 842,587,496,980.99/1,359,728
  6. Step 6: Final answer
    x = 619,673.56

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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.