Home / 1,213,931.44-1,821,094.96-455,831.60

Finding the Fourth Proportional to 1,213,931.44, 1,821,094.96 and 455,831.60

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Solution

The fourth proportional to 1,213,931.44, 1,821,094.96 and 455,831.60 is: 683,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,931.44 : 1,821,094.96 = 455,831.60 : x
  2. Step 2: Convert to fraction form
    1,213,931.44/1,821,094.96 = 455,831.60/x
  3. Step 3: Cross multiply
    1,213,931.44x = 1,821,094.96 × 455,831.60
  4. Step 4: Simplify right side
    1,213,931.44x = 830,112,629,368.74
  5. Step 5: Solve for x
    x = 830,112,629,368.74/1,213,931.44
  6. Step 6: Final answer
    x = 683,821.67

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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.