Home / 1,089,750.07-1,503,831.63-630,884.06

Finding the Fourth Proportional to 1,089,750.07, 1,503,831.63 and 630,884.06

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Solution

The fourth proportional to 1,089,750.07, 1,503,831.63 and 630,884.06 is: 870,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,750.07 : 1,503,831.63 = 630,884.06 : x
  2. Step 2: Convert to fraction form
    1,089,750.07/1,503,831.63 = 630,884.06/x
  3. Step 3: Cross multiply
    1,089,750.07x = 1,503,831.63 × 630,884.06
  4. Step 4: Simplify right side
    1,089,750.07x = 948,743,396,771.66
  5. Step 5: Solve for x
    x = 948,743,396,771.66/1,089,750.07
  6. Step 6: Final answer
    x = 870,606.41

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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.