Home / 1,089,439.48-1,634,421.64-341,485.48

Finding the Fourth Proportional to 1,089,439.48, 1,634,421.64 and 341,485.48

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Solution

The fourth proportional to 1,089,439.48, 1,634,421.64 and 341,485.48 is: 512,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,439.48 : 1,634,421.64 = 341,485.48 : x
  2. Step 2: Convert to fraction form
    1,089,439.48/1,634,421.64 = 341,485.48/x
  3. Step 3: Cross multiply
    1,089,439.48x = 1,634,421.64 × 341,485.48
  4. Step 4: Simplify right side
    1,089,439.48x = 558,131,258,257.79
  5. Step 5: Solve for x
    x = 558,131,258,257.79/1,089,439.48
  6. Step 6: Final answer
    x = 512,310.48

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1.5x scale

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.