Home / 1,478,048.80-2,213,962.80-1,229,216.80

Finding the Fourth Proportional to 1,478,048.80, 2,213,962.80 and 1,229,216.80

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Solution

The fourth proportional to 1,478,048.80, 2,213,962.80 and 1,229,216.80 is: 1,841,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,048.80 : 2,213,962.80 = 1,229,216.80 : x
  2. Step 2: Convert to fraction form
    1,478,048.80/2,213,962.80 = 1,229,216.80/x
  3. Step 3: Cross multiply
    1,478,048.80x = 2,213,962.80 × 1,229,216.80
  4. Step 4: Simplify right side
    1,478,048.80x = 2,721,440,268,335.04
  5. Step 5: Solve for x
    x = 2,721,440,268,335.04/1,478,048.80
  6. Step 6: Final answer
    x = 1,841,238.44

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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.