Home / 1,089,275.54-1,631,113.95-667,272.02

Finding the Fourth Proportional to 1,089,275.54, 1,631,113.95 and 667,272.02

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Solution

The fourth proportional to 1,089,275.54, 1,631,113.95 and 667,272.02 is: 999,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,275.54 : 1,631,113.95 = 667,272.02 : x
  2. Step 2: Convert to fraction form
    1,089,275.54/1,631,113.95 = 667,272.02/x
  3. Step 3: Cross multiply
    1,089,275.54x = 1,631,113.95 × 667,272.02
  4. Step 4: Simplify right side
    1,089,275.54x = 1,088,396,700,266.68
  5. Step 5: Solve for x
    x = 1,088,396,700,266.68/1,089,275.54
  6. Step 6: Final answer
    x = 999,193.19

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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.