Home / 1,359,297.06-2,039,035.50-399,838.50

Finding the Fourth Proportional to 1,359,297.06, 2,039,035.50 and 399,838.50

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Solution

The fourth proportional to 1,359,297.06, 2,039,035.50 and 399,838.50 is: 599,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,297.06 : 2,039,035.50 = 399,838.50 : x
  2. Step 2: Convert to fraction form
    1,359,297.06/2,039,035.50 = 399,838.50/x
  3. Step 3: Cross multiply
    1,359,297.06x = 2,039,035.50 × 399,838.50
  4. Step 4: Simplify right side
    1,359,297.06x = 815,284,895,766.75
  5. Step 5: Solve for x
    x = 815,284,895,766.75/1,359,297.06
  6. Step 6: Final answer
    x = 599,784.20

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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.