Home / 997,827.59-1,375,384.35-779,654.77

Finding the Fourth Proportional to 997,827.59, 1,375,384.35 and 779,654.77

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Solution

The fourth proportional to 997,827.59, 1,375,384.35 and 779,654.77 is: 1,074,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,827.59 : 1,375,384.35 = 779,654.77 : x
  2. Step 2: Convert to fraction form
    997,827.59/1,375,384.35 = 779,654.77/x
  3. Step 3: Cross multiply
    997,827.59x = 1,375,384.35 × 779,654.77
  4. Step 4: Simplify right side
    997,827.59x = 1,072,324,968,546.09
  5. Step 5: Solve for x
    x = 1,072,324,968,546.09/997,827.59
  6. Step 6: Final answer
    x = 1,074,659.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.