Home / 1,089,275.29-1,631,113.58-667,271.77

Finding the Fourth Proportional to 1,089,275.29, 1,631,113.58 and 667,271.77

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Solution

The fourth proportional to 1,089,275.29, 1,631,113.58 and 667,271.77 is: 999,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,275.29 : 1,631,113.58 = 667,271.77 : x
  2. Step 2: Convert to fraction form
    1,089,275.29/1,631,113.58 = 667,271.77/x
  3. Step 3: Cross multiply
    1,089,275.29x = 1,631,113.58 × 667,271.77
  4. Step 4: Simplify right side
    1,089,275.29x = 1,088,396,042,261.28
  5. Step 5: Solve for x
    x = 1,088,396,042,261.28/1,089,275.29
  6. Step 6: Final answer
    x = 999,192.81

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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.