Home / 1,251,825.27-1,877,717.52-398,885.40

Finding the Fourth Proportional to 1,251,825.27, 1,877,717.52 and 398,885.40

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Solution

The fourth proportional to 1,251,825.27, 1,877,717.52 and 398,885.40 is: 598,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,825.27 : 1,877,717.52 = 398,885.40 : x
  2. Step 2: Convert to fraction form
    1,251,825.27/1,877,717.52 = 398,885.40/x
  3. Step 3: Cross multiply
    1,251,825.27x = 1,877,717.52 × 398,885.40
  4. Step 4: Simplify right side
    1,251,825.27x = 748,994,104,052.21
  5. Step 5: Solve for x
    x = 748,994,104,052.21/1,251,825.27
  6. Step 6: Final answer
    x = 598,321.60

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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.