Home / 1,845,126.20-2,768,078.10-779,619.80

Finding the Fourth Proportional to 1,845,126.20, 2,768,078.10 and 779,619.80

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Solution

The fourth proportional to 1,845,126.20, 2,768,078.10 and 779,619.80 is: 1,169,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,126.20 : 2,768,078.10 = 779,619.80 : x
  2. Step 2: Convert to fraction form
    1,845,126.20/2,768,078.10 = 779,619.80/x
  3. Step 3: Cross multiply
    1,845,126.20x = 2,768,078.10 × 779,619.80
  4. Step 4: Simplify right side
    1,845,126.20x = 2,158,048,494,706.38
  5. Step 5: Solve for x
    x = 2,158,048,494,706.38/1,845,126.20
  6. Step 6: Final answer
    x = 1,169,593.98

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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.