Home / 1,330,774.30-1,996,161.45-825,905.35

Finding the Fourth Proportional to 1,330,774.30, 1,996,161.45 and 825,905.35

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Solution

The fourth proportional to 1,330,774.30, 1,996,161.45 and 825,905.35 is: 1,238,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,774.30 : 1,996,161.45 = 825,905.35 : x
  2. Step 2: Convert to fraction form
    1,330,774.30/1,996,161.45 = 825,905.35/x
  3. Step 3: Cross multiply
    1,330,774.30x = 1,996,161.45 × 825,905.35
  4. Step 4: Simplify right side
    1,330,774.30x = 1,648,640,421,018.76
  5. Step 5: Solve for x
    x = 1,648,640,421,018.76/1,330,774.30
  6. Step 6: Final answer
    x = 1,238,858.03

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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.