Home / 1,490,150.70-2,233,962.45-542,969.10

Finding the Fourth Proportional to 1,490,150.70, 2,233,962.45 and 542,969.10

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Solution

The fourth proportional to 1,490,150.70, 2,233,962.45 and 542,969.10 is: 813,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,150.70 : 2,233,962.45 = 542,969.10 : x
  2. Step 2: Convert to fraction form
    1,490,150.70/2,233,962.45 = 542,969.10/x
  3. Step 3: Cross multiply
    1,490,150.70x = 2,233,962.45 × 542,969.10
  4. Step 4: Simplify right side
    1,490,150.70x = 1,212,972,580,910.30
  5. Step 5: Solve for x
    x = 1,212,972,580,910.30/1,490,150.70
  6. Step 6: Final answer
    x = 813,993.23

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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.