Home / 1,728,336.74-2,386,001.48-1,262,668.37

Finding the Fourth Proportional to 1,728,336.74, 2,386,001.48 and 1,262,668.37

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Solution

The fourth proportional to 1,728,336.74, 2,386,001.48 and 1,262,668.37 is: 1,743,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,336.74 : 2,386,001.48 = 1,262,668.37 : x
  2. Step 2: Convert to fraction form
    1,728,336.74/2,386,001.48 = 1,262,668.37/x
  3. Step 3: Cross multiply
    1,728,336.74x = 2,386,001.48 × 1,262,668.37
  4. Step 4: Simplify right side
    1,728,336.74x = 3,012,728,581,325.84
  5. Step 5: Solve for x
    x = 3,012,728,581,325.84/1,728,336.74
  6. Step 6: Final answer
    x = 1,743,137.50

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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.