Home / 1,650,164.20-2,475,406.88-512,620.45

Finding the Fourth Proportional to 1,650,164.20, 2,475,406.88 and 512,620.45

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Solution

The fourth proportional to 1,650,164.20, 2,475,406.88 and 512,620.45 is: 768,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,164.20 : 2,475,406.88 = 512,620.45 : x
  2. Step 2: Convert to fraction form
    1,650,164.20/2,475,406.88 = 512,620.45/x
  3. Step 3: Cross multiply
    1,650,164.20x = 2,475,406.88 × 512,620.45
  4. Step 4: Simplify right side
    1,650,164.20x = 1,268,944,181,929.40
  5. Step 5: Solve for x
    x = 1,268,944,181,929.40/1,650,164.20
  6. Step 6: Final answer
    x = 768,980.56

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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.