Home / 970,836.40-1,458,004.20-939,343.60

Finding the Fourth Proportional to 970,836.40, 1,458,004.20 and 939,343.60

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Solution

The fourth proportional to 970,836.40, 1,458,004.20 and 939,343.60 is: 1,410,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,836.40 : 1,458,004.20 = 939,343.60 : x
  2. Step 2: Convert to fraction form
    970,836.40/1,458,004.20 = 939,343.60/x
  3. Step 3: Cross multiply
    970,836.40x = 1,458,004.20 × 939,343.60
  4. Step 4: Simplify right side
    970,836.40x = 1,369,566,914,043.12
  5. Step 5: Solve for x
    x = 1,369,566,914,043.12/970,836.40
  6. Step 6: Final answer
    x = 1,410,708.25

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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.