Home / 1,188,230.40-1,782,604.80-346,713.60

Finding the Fourth Proportional to 1,188,230.40, 1,782,604.80 and 346,713.60

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Solution

The fourth proportional to 1,188,230.40, 1,782,604.80 and 346,713.60 is: 520,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,230.40 : 1,782,604.80 = 346,713.60 : x
  2. Step 2: Convert to fraction form
    1,188,230.40/1,782,604.80 = 346,713.60/x
  3. Step 3: Cross multiply
    1,188,230.40x = 1,782,604.80 × 346,713.60
  4. Step 4: Simplify right side
    1,188,230.40x = 618,053,327,585.28
  5. Step 5: Solve for x
    x = 618,053,327,585.28/1,188,230.40
  6. Step 6: Final answer
    x = 520,146.03

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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.