Home / 1,474,378.50-2,211,568.67-409,420.68

Finding the Fourth Proportional to 1,474,378.50, 2,211,568.67 and 409,420.68

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Solution

The fourth proportional to 1,474,378.50, 2,211,568.67 and 409,420.68 is: 614,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,378.50 : 2,211,568.67 = 409,420.68 : x
  2. Step 2: Convert to fraction form
    1,474,378.50/2,211,568.67 = 409,420.68/x
  3. Step 3: Cross multiply
    1,474,378.50x = 2,211,568.67 × 409,420.68
  4. Step 4: Simplify right side
    1,474,378.50x = 905,461,939,165.27
  5. Step 5: Solve for x
    x = 905,461,939,165.27/1,474,378.50
  6. Step 6: Final answer
    x = 614,131.27

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Double scale
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1.5x scale

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.