Home / 1,724,231.12-2,379,438.38-999,499.55

Finding the Fourth Proportional to 1,724,231.12, 2,379,438.38 and 999,499.55

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Solution

The fourth proportional to 1,724,231.12, 2,379,438.38 and 999,499.55 is: 1,379,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,231.12 : 2,379,438.38 = 999,499.55 : x
  2. Step 2: Convert to fraction form
    1,724,231.12/2,379,438.38 = 999,499.55/x
  3. Step 3: Cross multiply
    1,724,231.12x = 2,379,438.38 × 999,499.55
  4. Step 4: Simplify right side
    1,724,231.12x = 2,378,247,580,664.29
  5. Step 5: Solve for x
    x = 2,378,247,580,664.29/1,724,231.12
  6. Step 6: Final answer
    x = 1,379,309.05

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1.5x scale

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.