Home / 1,078,022.80-1,618,200.60-605,630.80

Finding the Fourth Proportional to 1,078,022.80, 1,618,200.60 and 605,630.80

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Solution

The fourth proportional to 1,078,022.80, 1,618,200.60 and 605,630.80 is: 909,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,022.80 : 1,618,200.60 = 605,630.80 : x
  2. Step 2: Convert to fraction form
    1,078,022.80/1,618,200.60 = 605,630.80/x
  3. Step 3: Cross multiply
    1,078,022.80x = 1,618,200.60 × 605,630.80
  4. Step 4: Simplify right side
    1,078,022.80x = 980,032,123,938.48
  5. Step 5: Solve for x
    x = 980,032,123,938.48/1,078,022.80
  6. Step 6: Final answer
    x = 909,101.48

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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.