Home / 1,392,839.32-2,089,444.74-551,194.24

Finding the Fourth Proportional to 1,392,839.32, 2,089,444.74 and 551,194.24

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Solution

The fourth proportional to 1,392,839.32, 2,089,444.74 and 551,194.24 is: 826,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,839.32 : 2,089,444.74 = 551,194.24 : x
  2. Step 2: Convert to fraction form
    1,392,839.32/2,089,444.74 = 551,194.24/x
  3. Step 3: Cross multiply
    1,392,839.32x = 2,089,444.74 × 551,194.24
  4. Step 4: Simplify right side
    1,392,839.32x = 1,151,689,905,486.30
  5. Step 5: Solve for x
    x = 1,151,689,905,486.30/1,392,839.32
  6. Step 6: Final answer
    x = 826,864.87

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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.