Home / 1,405,811.28-2,106,697.56-799,081.68

Finding the Fourth Proportional to 1,405,811.28, 2,106,697.56 and 799,081.68

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Solution

The fourth proportional to 1,405,811.28, 2,106,697.56 and 799,081.68 is: 1,197,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,811.28 : 2,106,697.56 = 799,081.68 : x
  2. Step 2: Convert to fraction form
    1,405,811.28/2,106,697.56 = 799,081.68/x
  3. Step 3: Cross multiply
    1,405,811.28x = 2,106,697.56 × 799,081.68
  4. Step 4: Simplify right side
    1,405,811.28x = 1,683,423,425,496.70
  5. Step 5: Solve for x
    x = 1,683,423,425,496.70/1,405,811.28
  6. Step 6: Final answer
    x = 1,197,474.69

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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.