Home / 1,070,485.21-1,477,133.46-611,629.50

Finding the Fourth Proportional to 1,070,485.21, 1,477,133.46 and 611,629.50

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Solution

The fourth proportional to 1,070,485.21, 1,477,133.46 and 611,629.50 is: 843,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,485.21 : 1,477,133.46 = 611,629.50 : x
  2. Step 2: Convert to fraction form
    1,070,485.21/1,477,133.46 = 611,629.50/x
  3. Step 3: Cross multiply
    1,070,485.21x = 1,477,133.46 × 611,629.50
  4. Step 4: Simplify right side
    1,070,485.21x = 903,458,399,573.07
  5. Step 5: Solve for x
    x = 903,458,399,573.07/1,070,485.21
  6. Step 6: Final answer
    x = 843,970.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.