Home / 1,310,489.28-1,809,033.21-881,018.50

Finding the Fourth Proportional to 1,310,489.28, 1,809,033.21 and 881,018.50

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Solution

The fourth proportional to 1,310,489.28, 1,809,033.21 and 881,018.50 is: 1,216,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,489.28 : 1,809,033.21 = 881,018.50 : x
  2. Step 2: Convert to fraction form
    1,310,489.28/1,809,033.21 = 881,018.50/x
  3. Step 3: Cross multiply
    1,310,489.28x = 1,809,033.21 × 881,018.50
  4. Step 4: Simplify right side
    1,310,489.28x = 1,593,791,725,124.39
  5. Step 5: Solve for x
    x = 1,593,791,725,124.39/1,310,489.28
  6. Step 6: Final answer
    x = 1,216,180.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.