Home / 1,089,276.04-1,631,114.70-667,272.52

Finding the Fourth Proportional to 1,089,276.04, 1,631,114.70 and 667,272.52

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Solution

The fourth proportional to 1,089,276.04, 1,631,114.70 and 667,272.52 is: 999,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,276.04 : 1,631,114.70 = 667,272.52 : x
  2. Step 2: Convert to fraction form
    1,089,276.04/1,631,114.70 = 667,272.52/x
  3. Step 3: Cross multiply
    1,089,276.04x = 1,631,114.70 × 667,272.52
  4. Step 4: Simplify right side
    1,089,276.04x = 1,088,398,016,278.04
  5. Step 5: Solve for x
    x = 1,088,398,016,278.04/1,089,276.04
  6. Step 6: Final answer
    x = 999,193.94

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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.