Home / 1,089,759.32-1,634,622.54-490,297.16

Finding the Fourth Proportional to 1,089,759.32, 1,634,622.54 and 490,297.16

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Solution

The fourth proportional to 1,089,759.32, 1,634,622.54 and 490,297.16 is: 735,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,759.32 : 1,634,622.54 = 490,297.16 : x
  2. Step 2: Convert to fraction form
    1,089,759.32/1,634,622.54 = 490,297.16/x
  3. Step 3: Cross multiply
    1,089,759.32x = 1,634,622.54 × 490,297.16
  4. Step 4: Simplify right side
    1,089,759.32x = 801,450,789,033.99
  5. Step 5: Solve for x
    x = 801,450,789,033.99/1,089,759.32
  6. Step 6: Final answer
    x = 735,438.34

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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.