Home / 1,090,611.20-1,636,147.20-332,390.40

Finding the Fourth Proportional to 1,090,611.20, 1,636,147.20 and 332,390.40

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Solution

The fourth proportional to 1,090,611.20, 1,636,147.20 and 332,390.40 is: 498,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,611.20 : 1,636,147.20 = 332,390.40 : x
  2. Step 2: Convert to fraction form
    1,090,611.20/1,636,147.20 = 332,390.40/x
  3. Step 3: Cross multiply
    1,090,611.20x = 1,636,147.20 × 332,390.40
  4. Step 4: Simplify right side
    1,090,611.20x = 543,839,622,266.88
  5. Step 5: Solve for x
    x = 543,839,622,266.88/1,090,611.20
  6. Step 6: Final answer
    x = 498,655.82

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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.