Home / 1,399,499.57-2,099,344.75-475,879.47

Finding the Fourth Proportional to 1,399,499.57, 2,099,344.75 and 475,879.47

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Solution

The fourth proportional to 1,399,499.57, 2,099,344.75 and 475,879.47 is: 713,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,499.57 : 2,099,344.75 = 475,879.47 : x
  2. Step 2: Convert to fraction form
    1,399,499.57/2,099,344.75 = 475,879.47/x
  3. Step 3: Cross multiply
    1,399,499.57x = 2,099,344.75 × 475,879.47
  4. Step 4: Simplify right side
    1,399,499.57x = 999,035,066,977.28
  5. Step 5: Solve for x
    x = 999,035,066,977.28/1,399,499.57
  6. Step 6: Final answer
    x = 713,851.64

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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.