Home / 1,346,180.80-2,019,271.20-814,739.80

Finding the Fourth Proportional to 1,346,180.80, 2,019,271.20 and 814,739.80

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Solution

The fourth proportional to 1,346,180.80, 2,019,271.20 and 814,739.80 is: 1,222,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,180.80 : 2,019,271.20 = 814,739.80 : x
  2. Step 2: Convert to fraction form
    1,346,180.80/2,019,271.20 = 814,739.80/x
  3. Step 3: Cross multiply
    1,346,180.80x = 2,019,271.20 × 814,739.80
  4. Step 4: Simplify right side
    1,346,180.80x = 1,645,180,613,633.76
  5. Step 5: Solve for x
    x = 1,645,180,613,633.76/1,346,180.80
  6. Step 6: Final answer
    x = 1,222,109.70

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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.