Home / 1,778,588.80-2,668,228.80-767,708.80

Finding the Fourth Proportional to 1,778,588.80, 2,668,228.80 and 767,708.80

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Solution

The fourth proportional to 1,778,588.80, 2,668,228.80 and 767,708.80 is: 1,151,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,588.80 : 2,668,228.80 = 767,708.80 : x
  2. Step 2: Convert to fraction form
    1,778,588.80/2,668,228.80 = 767,708.80/x
  3. Step 3: Cross multiply
    1,778,588.80x = 2,668,228.80 × 767,708.80
  4. Step 4: Simplify right side
    1,778,588.80x = 2,048,422,730,173.44
  5. Step 5: Solve for x
    x = 2,048,422,730,173.44/1,778,588.80
  6. Step 6: Final answer
    x = 1,151,712.37

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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.