Home / 1,308,690.48-1,963,034.76-422,226.48

Finding the Fourth Proportional to 1,308,690.48, 1,963,034.76 and 422,226.48

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Solution

The fourth proportional to 1,308,690.48, 1,963,034.76 and 422,226.48 is: 633,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,690.48 : 1,963,034.76 = 422,226.48 : x
  2. Step 2: Convert to fraction form
    1,308,690.48/1,963,034.76 = 422,226.48/x
  3. Step 3: Cross multiply
    1,308,690.48x = 1,963,034.76 × 422,226.48
  4. Step 4: Simplify right side
    1,308,690.48x = 828,845,256,832.45
  5. Step 5: Solve for x
    x = 828,845,256,832.45/1,308,690.48
  6. Step 6: Final answer
    x = 633,339.41

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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.