Home / 1,728,339.24-2,386,004.93-1,262,670.87

Finding the Fourth Proportional to 1,728,339.24, 2,386,004.93 and 1,262,670.87

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Solution

The fourth proportional to 1,728,339.24, 2,386,004.93 and 1,262,670.87 is: 1,743,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,339.24 : 2,386,004.93 = 1,262,670.87 : x
  2. Step 2: Convert to fraction form
    1,728,339.24/2,386,004.93 = 1,262,670.87/x
  3. Step 3: Cross multiply
    1,728,339.24x = 2,386,004.93 × 1,262,670.87
  4. Step 4: Simplify right side
    1,728,339.24x = 3,012,738,920,787.39
  5. Step 5: Solve for x
    x = 3,012,738,920,787.39/1,728,339.24
  6. Step 6: Final answer
    x = 1,743,140.96

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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.