Home / 1,724,418.65-2,379,698.38-999,686.48

Finding the Fourth Proportional to 1,724,418.65, 2,379,698.38 and 999,686.48

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Solution

The fourth proportional to 1,724,418.65, 2,379,698.38 and 999,686.48 is: 1,379,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,418.65 : 2,379,698.38 = 999,686.48 : x
  2. Step 2: Convert to fraction form
    1,724,418.65/2,379,698.38 = 999,686.48/x
  3. Step 3: Cross multiply
    1,724,418.65x = 2,379,698.38 × 999,686.48
  4. Step 4: Simplify right side
    1,724,418.65x = 2,378,952,296,963.90
  5. Step 5: Solve for x
    x = 2,378,952,296,963.90/1,724,418.65
  6. Step 6: Final answer
    x = 1,379,567.72

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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.