Home / 970,918.40-1,458,127.20-939,425.60

Finding the Fourth Proportional to 970,918.40, 1,458,127.20 and 939,425.60

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Solution

The fourth proportional to 970,918.40, 1,458,127.20 and 939,425.60 is: 1,410,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,918.40 : 1,458,127.20 = 939,425.60 : x
  2. Step 2: Convert to fraction form
    970,918.40/1,458,127.20 = 939,425.60/x
  3. Step 3: Cross multiply
    970,918.40x = 1,458,127.20 × 939,425.60
  4. Step 4: Simplify right side
    970,918.40x = 1,369,802,019,736.32
  5. Step 5: Solve for x
    x = 1,369,802,019,736.32/970,918.40
  6. Step 6: Final answer
    x = 1,410,831.25

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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.