Home / 1,477,227.20-2,215,447.08-412,081.60

Finding the Fourth Proportional to 1,477,227.20, 2,215,447.08 and 412,081.60

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Solution

The fourth proportional to 1,477,227.20, 2,215,447.08 and 412,081.60 is: 618,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,227.20 : 2,215,447.08 = 412,081.60 : x
  2. Step 2: Convert to fraction form
    1,477,227.20/2,215,447.08 = 412,081.60/x
  3. Step 3: Cross multiply
    1,477,227.20x = 2,215,447.08 × 412,081.60
  4. Step 4: Simplify right side
    1,477,227.20x = 912,944,977,441.73
  5. Step 5: Solve for x
    x = 912,944,977,441.73/1,477,227.20
  6. Step 6: Final answer
    x = 618,012.57

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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.