Home / 1,724,404.85-2,379,679.34-999,672.68

Finding the Fourth Proportional to 1,724,404.85, 2,379,679.34 and 999,672.68

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Solution

The fourth proportional to 1,724,404.85, 2,379,679.34 and 999,672.68 is: 1,379,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,404.85 : 2,379,679.34 = 999,672.68 : x
  2. Step 2: Convert to fraction form
    1,724,404.85/2,379,679.34 = 999,672.68/x
  3. Step 3: Cross multiply
    1,724,404.85x = 2,379,679.34 × 999,672.68
  4. Step 4: Simplify right side
    1,724,404.85x = 2,378,900,423,358.43
  5. Step 5: Solve for x
    x = 2,378,900,423,358.43/1,724,404.85
  6. Step 6: Final answer
    x = 1,379,548.68

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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.