Home / 1,365,719.20-2,048,578.80-657,131.20

Finding the Fourth Proportional to 1,365,719.20, 2,048,578.80 and 657,131.20

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Solution

The fourth proportional to 1,365,719.20, 2,048,578.80 and 657,131.20 is: 985,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,719.20 : 2,048,578.80 = 657,131.20 : x
  2. Step 2: Convert to fraction form
    1,365,719.20/2,048,578.80 = 657,131.20/x
  3. Step 3: Cross multiply
    1,365,719.20x = 2,048,578.80 × 657,131.20
  4. Step 4: Simplify right side
    1,365,719.20x = 1,346,185,045,138.56
  5. Step 5: Solve for x
    x = 1,346,185,045,138.56/1,365,719.20
  6. Step 6: Final answer
    x = 985,696.80

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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.