Home / 1,347,378.60-2,021,348.70-449,099.40

Finding the Fourth Proportional to 1,347,378.60, 2,021,348.70 and 449,099.40

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Solution

The fourth proportional to 1,347,378.60, 2,021,348.70 and 449,099.40 is: 673,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,378.60 : 2,021,348.70 = 449,099.40 : x
  2. Step 2: Convert to fraction form
    1,347,378.60/2,021,348.70 = 449,099.40/x
  3. Step 3: Cross multiply
    1,347,378.60x = 2,021,348.70 × 449,099.40
  4. Step 4: Simplify right side
    1,347,378.60x = 907,786,488,360.78
  5. Step 5: Solve for x
    x = 907,786,488,360.78/1,347,378.60
  6. Step 6: Final answer
    x = 673,742.69

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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.