Home / 1,724,407.72-2,379,683.31-999,675.57

Finding the Fourth Proportional to 1,724,407.72, 2,379,683.31 and 999,675.57

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Solution

The fourth proportional to 1,724,407.72, 2,379,683.31 and 999,675.57 is: 1,379,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,407.72 : 2,379,683.31 = 999,675.57 : x
  2. Step 2: Convert to fraction form
    1,724,407.72/2,379,683.31 = 999,675.57/x
  3. Step 3: Cross multiply
    1,724,407.72x = 2,379,683.31 × 999,675.57
  4. Step 4: Simplify right side
    1,724,407.72x = 2,378,911,274,518.77
  5. Step 5: Solve for x
    x = 2,378,911,274,518.77/1,724,407.72
  6. Step 6: Final answer
    x = 1,379,552.67

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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.