Home / 1,723,941.77-2,379,039.60-999,209.86

Finding the Fourth Proportional to 1,723,941.77, 2,379,039.60 and 999,209.86

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Solution

The fourth proportional to 1,723,941.77, 2,379,039.60 and 999,209.86 is: 1,378,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,941.77 : 2,379,039.60 = 999,209.86 : x
  2. Step 2: Convert to fraction form
    1,723,941.77/2,379,039.60 = 999,209.86/x
  3. Step 3: Cross multiply
    1,723,941.77x = 2,379,039.60 × 999,209.86
  4. Step 4: Simplify right side
    1,723,941.77x = 2,377,159,823,449.89
  5. Step 5: Solve for x
    x = 2,377,159,823,449.89/1,723,941.77
  6. Step 6: Final answer
    x = 1,378,909.58

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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.