Home / 1,030,630.78-1,545,221.88-453,980.44

Finding the Fourth Proportional to 1,030,630.78, 1,545,221.88 and 453,980.44

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Solution

The fourth proportional to 1,030,630.78, 1,545,221.88 and 453,980.44 is: 680,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,630.78 : 1,545,221.88 = 453,980.44 : x
  2. Step 2: Convert to fraction form
    1,030,630.78/1,545,221.88 = 453,980.44/x
  3. Step 3: Cross multiply
    1,030,630.78x = 1,545,221.88 × 453,980.44
  4. Step 4: Simplify right side
    1,030,630.78x = 701,500,508,980.03
  5. Step 5: Solve for x
    x = 701,500,508,980.03/1,030,630.78
  6. Step 6: Final answer
    x = 680,651.62

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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.