Home / 1,428,226.80-2,140,828.20-529,090.80

Finding the Fourth Proportional to 1,428,226.80, 2,140,828.20 and 529,090.80

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Solution

The fourth proportional to 1,428,226.80, 2,140,828.20 and 529,090.80 is: 793,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,226.80 : 2,140,828.20 = 529,090.80 : x
  2. Step 2: Convert to fraction form
    1,428,226.80/2,140,828.20 = 529,090.80/x
  3. Step 3: Cross multiply
    1,428,226.80x = 2,140,828.20 × 529,090.80
  4. Step 4: Simplify right side
    1,428,226.80x = 1,132,692,505,000.56
  5. Step 5: Solve for x
    x = 1,132,692,505,000.56/1,428,226.80
  6. Step 6: Final answer
    x = 793,076.08

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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.