Home / 1,080,165.60-1,620,287.28-406,185.12

Finding the Fourth Proportional to 1,080,165.60, 1,620,287.28 and 406,185.12

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Solution

The fourth proportional to 1,080,165.60, 1,620,287.28 and 406,185.12 is: 609,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,165.60 : 1,620,287.28 = 406,185.12 : x
  2. Step 2: Convert to fraction form
    1,080,165.60/1,620,287.28 = 406,185.12/x
  3. Step 3: Cross multiply
    1,080,165.60x = 1,620,287.28 × 406,185.12
  4. Step 4: Simplify right side
    1,080,165.60x = 658,136,583,261.27
  5. Step 5: Solve for x
    x = 658,136,583,261.27/1,080,165.60
  6. Step 6: Final answer
    x = 609,292.30

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Double scale
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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.