Home / 1,236,606.35-1,855,376.69-478,493.43

Finding the Fourth Proportional to 1,236,606.35, 1,855,376.69 and 478,493.43

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Solution

The fourth proportional to 1,236,606.35, 1,855,376.69 and 478,493.43 is: 717,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,606.35 : 1,855,376.69 = 478,493.43 : x
  2. Step 2: Convert to fraction form
    1,236,606.35/1,855,376.69 = 478,493.43/x
  3. Step 3: Cross multiply
    1,236,606.35x = 1,855,376.69 × 478,493.43
  4. Step 4: Simplify right side
    1,236,606.35x = 887,785,546,990.02
  5. Step 5: Solve for x
    x = 887,785,546,990.02/1,236,606.35
  6. Step 6: Final answer
    x = 717,920.91

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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.