Home / 1,384,817.60-2,078,134.66-486,236.20

Finding the Fourth Proportional to 1,384,817.60, 2,078,134.66 and 486,236.20

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Solution

The fourth proportional to 1,384,817.60, 2,078,134.66 and 486,236.20 is: 729,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,817.60 : 2,078,134.66 = 486,236.20 : x
  2. Step 2: Convert to fraction form
    1,384,817.60/2,078,134.66 = 486,236.20/x
  3. Step 3: Cross multiply
    1,384,817.60x = 2,078,134.66 × 486,236.20
  4. Step 4: Simplify right side
    1,384,817.60x = 1,010,464,300,166.69
  5. Step 5: Solve for x
    x = 1,010,464,300,166.69/1,384,817.60
  6. Step 6: Final answer
    x = 729,673.21

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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.