Home / 1,787,986.20-2,681,409.06-589,685.16

Finding the Fourth Proportional to 1,787,986.20, 2,681,409.06 and 589,685.16

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Solution

The fourth proportional to 1,787,986.20, 2,681,409.06 and 589,685.16 is: 884,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,986.20 : 2,681,409.06 = 589,685.16 : x
  2. Step 2: Convert to fraction form
    1,787,986.20/2,681,409.06 = 589,685.16/x
  3. Step 3: Cross multiply
    1,787,986.20x = 2,681,409.06 × 589,685.16
  4. Step 4: Simplify right side
    1,787,986.20x = 1,581,187,130,571.55
  5. Step 5: Solve for x
    x = 1,581,187,130,571.55/1,787,986.20
  6. Step 6: Final answer
    x = 884,339.67

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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.