Home / 1,080,636.02-1,620,954.04-415,632.50

Finding the Fourth Proportional to 1,080,636.02, 1,620,954.04 and 415,632.50

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Solution

The fourth proportional to 1,080,636.02, 1,620,954.04 and 415,632.50 is: 623,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,636.02 : 1,620,954.04 = 415,632.50 : x
  2. Step 2: Convert to fraction form
    1,080,636.02/1,620,954.04 = 415,632.50/x
  3. Step 3: Cross multiply
    1,080,636.02x = 1,620,954.04 × 415,632.50
  4. Step 4: Simplify right side
    1,080,636.02x = 673,721,180,030.30
  5. Step 5: Solve for x
    x = 673,721,180,030.30/1,080,636.02
  6. Step 6: Final answer
    x = 623,448.75

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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.