Home / 1,815,459.40-2,505,352.62-999,739

Finding the Fourth Proportional to 1,815,459.40, 2,505,352.62 and 999,739

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Solution

The fourth proportional to 1,815,459.40, 2,505,352.62 and 999,739 is: 1,379,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,459.40 : 2,505,352.62 = 999,739 : x
  2. Step 2: Convert to fraction form
    1,815,459.40/2,505,352.62 = 999,739/x
  3. Step 3: Cross multiply
    1,815,459.40x = 2,505,352.62 × 999,739
  4. Step 4: Simplify right side
    1,815,459.40x = 2,504,698,722,966.18
  5. Step 5: Solve for x
    x = 2,504,698,722,966.18/1,815,459.40
  6. Step 6: Final answer
    x = 1,379,650.09

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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.