Home / 1,392,861.56-2,089,882.83-761,037.26

Finding the Fourth Proportional to 1,392,861.56, 2,089,882.83 and 761,037.26

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Solution

The fourth proportional to 1,392,861.56, 2,089,882.83 and 761,037.26 is: 1,141,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,861.56 : 2,089,882.83 = 761,037.26 : x
  2. Step 2: Convert to fraction form
    1,392,861.56/2,089,882.83 = 761,037.26/x
  3. Step 3: Cross multiply
    1,392,861.56x = 2,089,882.83 × 761,037.26
  4. Step 4: Simplify right side
    1,392,861.56x = 1,590,478,692,214.83
  5. Step 5: Solve for x
    x = 1,590,478,692,214.83/1,392,861.56
  6. Step 6: Final answer
    x = 1,141,878.52

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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.