Home / 1,490,151.20-2,233,963.20-542,969.60

Finding the Fourth Proportional to 1,490,151.20, 2,233,963.20 and 542,969.60

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Solution

The fourth proportional to 1,490,151.20, 2,233,963.20 and 542,969.60 is: 813,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,151.20 : 2,233,963.20 = 542,969.60 : x
  2. Step 2: Convert to fraction form
    1,490,151.20/2,233,963.20 = 542,969.60/x
  3. Step 3: Cross multiply
    1,490,151.20x = 2,233,963.20 × 542,969.60
  4. Step 4: Simplify right side
    1,490,151.20x = 1,212,974,105,118.72
  5. Step 5: Solve for x
    x = 1,212,974,105,118.72/1,490,151.20
  6. Step 6: Final answer
    x = 813,993.98

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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.