Home / 909,993.20-1,364,989.80-898,183.40

Finding the Fourth Proportional to 909,993.20, 1,364,989.80 and 898,183.40

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Solution

The fourth proportional to 909,993.20, 1,364,989.80 and 898,183.40 is: 1,347,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,993.20 : 1,364,989.80 = 898,183.40 : x
  2. Step 2: Convert to fraction form
    909,993.20/1,364,989.80 = 898,183.40/x
  3. Step 3: Cross multiply
    909,993.20x = 1,364,989.80 × 898,183.40
  4. Step 4: Simplify right side
    909,993.20x = 1,226,011,179,529.32
  5. Step 5: Solve for x
    x = 1,226,011,179,529.32/909,993.20
  6. Step 6: Final answer
    x = 1,347,275.10

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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.