Home / 1,080,638.04-1,620,957.06-415,634.52

Finding the Fourth Proportional to 1,080,638.04, 1,620,957.06 and 415,634.52

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Solution

The fourth proportional to 1,080,638.04, 1,620,957.06 and 415,634.52 is: 623,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,638.04 : 1,620,957.06 = 415,634.52 : x
  2. Step 2: Convert to fraction form
    1,080,638.04/1,620,957.06 = 415,634.52/x
  3. Step 3: Cross multiply
    1,080,638.04x = 1,620,957.06 × 415,634.52
  4. Step 4: Simplify right side
    1,080,638.04x = 673,725,709,573.71
  5. Step 5: Solve for x
    x = 673,725,709,573.71/1,080,638.04
  6. Step 6: Final answer
    x = 623,451.78

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Double scale
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Similar ratio
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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.