Home / 842,144.64-1,263,240-281,159.04

Finding the Fourth Proportional to 842,144.64, 1,263,240 and 281,159.04

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Solution

The fourth proportional to 842,144.64, 1,263,240 and 281,159.04 is: 421,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,144.64 : 1,263,240 = 281,159.04 : x
  2. Step 2: Convert to fraction form
    842,144.64/1,263,240 = 281,159.04/x
  3. Step 3: Cross multiply
    842,144.64x = 1,263,240 × 281,159.04
  4. Step 4: Simplify right side
    842,144.64x = 355,171,345,689.60
  5. Step 5: Solve for x
    x = 355,171,345,689.60/842,144.64
  6. Step 6: Final answer
    x = 421,746.25

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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.