Home / 1,728,338.74-2,386,004.24-1,262,670.37

Finding the Fourth Proportional to 1,728,338.74, 2,386,004.24 and 1,262,670.37

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Solution

The fourth proportional to 1,728,338.74, 2,386,004.24 and 1,262,670.37 is: 1,743,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,338.74 : 2,386,004.24 = 1,262,670.37 : x
  2. Step 2: Convert to fraction form
    1,728,338.74/2,386,004.24 = 1,262,670.37/x
  3. Step 3: Cross multiply
    1,728,338.74x = 2,386,004.24 × 1,262,670.37
  4. Step 4: Simplify right side
    1,728,338.74x = 3,012,736,838,299.00
  5. Step 5: Solve for x
    x = 3,012,736,838,299.00/1,728,338.74
  6. Step 6: Final answer
    x = 1,743,140.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.