Home / 1,371,708.04-2,056,811.64-1,089,213.16

Finding the Fourth Proportional to 1,371,708.04, 2,056,811.64 and 1,089,213.16

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Solution

The fourth proportional to 1,371,708.04, 2,056,811.64 and 1,089,213.16 is: 1,633,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,708.04 : 2,056,811.64 = 1,089,213.16 : x
  2. Step 2: Convert to fraction form
    1,371,708.04/2,056,811.64 = 1,089,213.16/x
  3. Step 3: Cross multiply
    1,371,708.04x = 2,056,811.64 × 1,089,213.16
  4. Step 4: Simplify right side
    1,371,708.04x = 2,240,306,305,929.18
  5. Step 5: Solve for x
    x = 2,240,306,305,929.18/1,371,708.04
  6. Step 6: Final answer
    x = 1,633,223.86

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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.