Home / 1,319,962.97-1,821,285.43-803,370.85

Finding the Fourth Proportional to 1,319,962.97, 1,821,285.43 and 803,370.85

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Solution

The fourth proportional to 1,319,962.97, 1,821,285.43 and 803,370.85 is: 1,108,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,962.97 : 1,821,285.43 = 803,370.85 : x
  2. Step 2: Convert to fraction form
    1,319,962.97/1,821,285.43 = 803,370.85/x
  3. Step 3: Cross multiply
    1,319,962.97x = 1,821,285.43 × 803,370.85
  4. Step 4: Simplify right side
    1,319,962.97x = 1,463,167,623,991.72
  5. Step 5: Solve for x
    x = 1,463,167,623,991.72/1,319,962.97
  6. Step 6: Final answer
    x = 1,108,491.42

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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.