Home / 1,077,148.80-1,615,723.20-329,193.60

Finding the Fourth Proportional to 1,077,148.80, 1,615,723.20 and 329,193.60

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Solution

The fourth proportional to 1,077,148.80, 1,615,723.20 and 329,193.60 is: 493,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,148.80 : 1,615,723.20 = 329,193.60 : x
  2. Step 2: Convert to fraction form
    1,077,148.80/1,615,723.20 = 329,193.60/x
  3. Step 3: Cross multiply
    1,077,148.80x = 1,615,723.20 × 329,193.60
  4. Step 4: Simplify right side
    1,077,148.80x = 531,885,736,811.52
  5. Step 5: Solve for x
    x = 531,885,736,811.52/1,077,148.80
  6. Step 6: Final answer
    x = 493,790.40

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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.