Home / 1,119,802.09-1,679,209.04-320,902.33

Finding the Fourth Proportional to 1,119,802.09, 1,679,209.04 and 320,902.33

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Solution

The fourth proportional to 1,119,802.09, 1,679,209.04 and 320,902.33 is: 481,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,802.09 : 1,679,209.04 = 320,902.33 : x
  2. Step 2: Convert to fraction form
    1,119,802.09/1,679,209.04 = 320,902.33/x
  3. Step 3: Cross multiply
    1,119,802.09x = 1,679,209.04 × 320,902.33
  4. Step 4: Simplify right side
    1,119,802.09x = 538,862,091,888.55
  5. Step 5: Solve for x
    x = 538,862,091,888.55/1,119,802.09
  6. Step 6: Final answer
    x = 481,211.90

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Double scale
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Similar ratio
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1.5x scale

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.