Home / 1,100,455.20-1,650,682.80-460,648.35

Finding the Fourth Proportional to 1,100,455.20, 1,650,682.80 and 460,648.35

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Solution

The fourth proportional to 1,100,455.20, 1,650,682.80 and 460,648.35 is: 690,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,455.20 : 1,650,682.80 = 460,648.35 : x
  2. Step 2: Convert to fraction form
    1,100,455.20/1,650,682.80 = 460,648.35/x
  3. Step 3: Cross multiply
    1,100,455.20x = 1,650,682.80 × 460,648.35
  4. Step 4: Simplify right side
    1,100,455.20x = 760,384,308,193.38
  5. Step 5: Solve for x
    x = 760,384,308,193.38/1,100,455.20
  6. Step 6: Final answer
    x = 690,972.53

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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.