Home / 1,836,484-2,753,148.30-638,250.64

Finding the Fourth Proportional to 1,836,484, 2,753,148.30 and 638,250.64

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Solution

The fourth proportional to 1,836,484, 2,753,148.30 and 638,250.64 is: 956,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,484 : 2,753,148.30 = 638,250.64 : x
  2. Step 2: Convert to fraction form
    1,836,484/2,753,148.30 = 638,250.64/x
  3. Step 3: Cross multiply
    1,836,484x = 2,753,148.30 × 638,250.64
  4. Step 4: Simplify right side
    1,836,484x = 1,757,198,664,489.91
  5. Step 5: Solve for x
    x = 1,757,198,664,489.91/1,836,484
  6. Step 6: Final answer
    x = 956,827.65

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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.