Home / 1,988,116.50-2,982,174.81-492,208.50

Finding the Fourth Proportional to 1,988,116.50, 2,982,174.81 and 492,208.50

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Solution

The fourth proportional to 1,988,116.50, 2,982,174.81 and 492,208.50 is: 738,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,116.50 : 2,982,174.81 = 492,208.50 : x
  2. Step 2: Convert to fraction form
    1,988,116.50/2,982,174.81 = 492,208.50/x
  3. Step 3: Cross multiply
    1,988,116.50x = 2,982,174.81 × 492,208.50
  4. Step 4: Simplify right side
    1,988,116.50x = 1,467,851,789,967.89
  5. Step 5: Solve for x
    x = 1,467,851,789,967.89/1,988,116.50
  6. Step 6: Final answer
    x = 738,312.76

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Double scale
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Similar ratio
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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.