Home / 1,490,164.20-2,233,982.70-542,982.60

Finding the Fourth Proportional to 1,490,164.20, 2,233,982.70 and 542,982.60

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Solution

The fourth proportional to 1,490,164.20, 2,233,982.70 and 542,982.60 is: 814,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,164.20 : 2,233,982.70 = 542,982.60 : x
  2. Step 2: Convert to fraction form
    1,490,164.20/2,233,982.70 = 542,982.60/x
  3. Step 3: Cross multiply
    1,490,164.20x = 2,233,982.70 × 542,982.60
  4. Step 4: Simplify right side
    1,490,164.20x = 1,213,013,734,801.02
  5. Step 5: Solve for x
    x = 1,213,013,734,801.02/1,490,164.20
  6. Step 6: Final answer
    x = 814,013.47

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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.