Home / 1,042,254.40-1,562,215.20-443,113.60

Finding the Fourth Proportional to 1,042,254.40, 1,562,215.20 and 443,113.60

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Solution

The fourth proportional to 1,042,254.40, 1,562,215.20 and 443,113.60 is: 664,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,254.40 : 1,562,215.20 = 443,113.60 : x
  2. Step 2: Convert to fraction form
    1,042,254.40/1,562,215.20 = 443,113.60/x
  3. Step 3: Cross multiply
    1,042,254.40x = 1,562,215.20 × 443,113.60
  4. Step 4: Simplify right side
    1,042,254.40x = 692,238,801,246.72
  5. Step 5: Solve for x
    x = 692,238,801,246.72/1,042,254.40
  6. Step 6: Final answer
    x = 664,174.51

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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.