Home / 1,143,399.69-1,714,748.40-790,680.33

Finding the Fourth Proportional to 1,143,399.69, 1,714,748.40 and 790,680.33

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Solution

The fourth proportional to 1,143,399.69, 1,714,748.40 and 790,680.33 is: 1,185,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,399.69 : 1,714,748.40 = 790,680.33 : x
  2. Step 2: Convert to fraction form
    1,143,399.69/1,714,748.40 = 790,680.33/x
  3. Step 3: Cross multiply
    1,143,399.69x = 1,714,748.40 × 790,680.33
  4. Step 4: Simplify right side
    1,143,399.69x = 1,355,817,830,778.97
  5. Step 5: Solve for x
    x = 1,355,817,830,778.97/1,143,399.69
  6. Step 6: Final answer
    x = 1,185,777.68

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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.