Home / 1,392,751.02-2,089,176.04-445,998.72

Finding the Fourth Proportional to 1,392,751.02, 2,089,176.04 and 445,998.72

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Solution

The fourth proportional to 1,392,751.02, 2,089,176.04 and 445,998.72 is: 669,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,751.02 : 2,089,176.04 = 445,998.72 : x
  2. Step 2: Convert to fraction form
    1,392,751.02/2,089,176.04 = 445,998.72/x
  3. Step 3: Cross multiply
    1,392,751.02x = 2,089,176.04 × 445,998.72
  4. Step 4: Simplify right side
    1,392,751.02x = 931,769,839,694.67
  5. Step 5: Solve for x
    x = 931,769,839,694.67/1,392,751.02
  6. Step 6: Final answer
    x = 669,013.93

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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.