Home / 1,275,963.20-1,913,944.80-898,049.60

Finding the Fourth Proportional to 1,275,963.20, 1,913,944.80 and 898,049.60

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Solution

The fourth proportional to 1,275,963.20, 1,913,944.80 and 898,049.60 is: 1,347,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,963.20 : 1,913,944.80 = 898,049.60 : x
  2. Step 2: Convert to fraction form
    1,275,963.20/1,913,944.80 = 898,049.60/x
  3. Step 3: Cross multiply
    1,275,963.20x = 1,913,944.80 × 898,049.60
  4. Step 4: Simplify right side
    1,275,963.20x = 1,718,817,362,062.08
  5. Step 5: Solve for x
    x = 1,718,817,362,062.08/1,275,963.20
  6. Step 6: Final answer
    x = 1,347,074.40

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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.