Home / 1,724,405.85-2,379,680.72-999,673.68

Finding the Fourth Proportional to 1,724,405.85, 2,379,680.72 and 999,673.68

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Solution

The fourth proportional to 1,724,405.85, 2,379,680.72 and 999,673.68 is: 1,379,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,405.85 : 2,379,680.72 = 999,673.68 : x
  2. Step 2: Convert to fraction form
    1,724,405.85/2,379,680.72 = 999,673.68/x
  3. Step 3: Cross multiply
    1,724,405.85x = 2,379,680.72 × 999,673.68
  4. Step 4: Simplify right side
    1,724,405.85x = 2,378,904,182,587.45
  5. Step 5: Solve for x
    x = 2,378,904,182,587.45/1,724,405.85
  6. Step 6: Final answer
    x = 1,379,550.05

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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.