Home / 1,272,096.20-1,908,134.58-325,465.40

Finding the Fourth Proportional to 1,272,096.20, 1,908,134.58 and 325,465.40

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Solution

The fourth proportional to 1,272,096.20, 1,908,134.58 and 325,465.40 is: 488,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,096.20 : 1,908,134.58 = 325,465.40 : x
  2. Step 2: Convert to fraction form
    1,272,096.20/1,908,134.58 = 325,465.40/x
  3. Step 3: Cross multiply
    1,272,096.20x = 1,908,134.58 × 325,465.40
  4. Step 4: Simplify right side
    1,272,096.20x = 621,031,777,935.87
  5. Step 5: Solve for x
    x = 621,031,777,935.87/1,272,096.20
  6. Step 6: Final answer
    x = 488,195.61

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1.5x scale

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.