Home / 1,335,299.04-1,999,748.12-685,164.35

Finding the Fourth Proportional to 1,335,299.04, 1,999,748.12 and 685,164.35

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Solution

The fourth proportional to 1,335,299.04, 1,999,748.12 and 685,164.35 is: 1,026,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,299.04 : 1,999,748.12 = 685,164.35 : x
  2. Step 2: Convert to fraction form
    1,335,299.04/1,999,748.12 = 685,164.35/x
  3. Step 3: Cross multiply
    1,335,299.04x = 1,999,748.12 × 685,164.35
  4. Step 4: Simplify right side
    1,335,299.04x = 1,370,156,122,377.07
  5. Step 5: Solve for x
    x = 1,370,156,122,377.07/1,335,299.04
  6. Step 6: Final answer
    x = 1,026,104.33

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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.