Home / 1,622,980.85-2,435,030.78-725,042.39

Finding the Fourth Proportional to 1,622,980.85, 2,435,030.78 and 725,042.39

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Solution

The fourth proportional to 1,622,980.85, 2,435,030.78 and 725,042.39 is: 1,087,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,980.85 : 2,435,030.78 = 725,042.39 : x
  2. Step 2: Convert to fraction form
    1,622,980.85/2,435,030.78 = 725,042.39/x
  3. Step 3: Cross multiply
    1,622,980.85x = 2,435,030.78 × 725,042.39
  4. Step 4: Simplify right side
    1,622,980.85x = 1,765,500,520,654.40
  5. Step 5: Solve for x
    x = 1,765,500,520,654.40/1,622,980.85
  6. Step 6: Final answer
    x = 1,087,813.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.