Home / 1,188,246.40-1,782,628.80-346,729.60

Finding the Fourth Proportional to 1,188,246.40, 1,782,628.80 and 346,729.60

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Solution

The fourth proportional to 1,188,246.40, 1,782,628.80 and 346,729.60 is: 520,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,246.40 : 1,782,628.80 = 346,729.60 : x
  2. Step 2: Convert to fraction form
    1,188,246.40/1,782,628.80 = 346,729.60/x
  3. Step 3: Cross multiply
    1,188,246.40x = 1,782,628.80 × 346,729.60
  4. Step 4: Simplify right side
    1,188,246.40x = 618,090,170,772.48
  5. Step 5: Solve for x
    x = 618,090,170,772.48/1,188,246.40
  6. Step 6: Final answer
    x = 520,170.03

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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.