Home / 1,721,280.64-2,579,558.88-1,089,062.68

Finding the Fourth Proportional to 1,721,280.64, 2,579,558.88 and 1,089,062.68

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Solution

The fourth proportional to 1,721,280.64, 2,579,558.88 and 1,089,062.68 is: 1,632,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,280.64 : 2,579,558.88 = 1,089,062.68 : x
  2. Step 2: Convert to fraction form
    1,721,280.64/2,579,558.88 = 1,089,062.68/x
  3. Step 3: Cross multiply
    1,721,280.64x = 2,579,558.88 × 1,089,062.68
  4. Step 4: Simplify right side
    1,721,280.64x = 2,809,301,307,070.60
  5. Step 5: Solve for x
    x = 2,809,301,307,070.60/1,721,280.64
  6. Step 6: Final answer
    x = 1,632,099.52

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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.