Home / 1,438,576.82-1,985,094.68-793,955.40

Finding the Fourth Proportional to 1,438,576.82, 1,985,094.68 and 793,955.40

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Solution

The fourth proportional to 1,438,576.82, 1,985,094.68 and 793,955.40 is: 1,095,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,576.82 : 1,985,094.68 = 793,955.40 : x
  2. Step 2: Convert to fraction form
    1,438,576.82/1,985,094.68 = 793,955.40/x
  3. Step 3: Cross multiply
    1,438,576.82x = 1,985,094.68 × 793,955.40
  4. Step 4: Simplify right side
    1,438,576.82x = 1,576,076,629,283.39
  5. Step 5: Solve for x
    x = 1,576,076,629,283.39/1,438,576.82
  6. Step 6: Final answer
    x = 1,095,580.44

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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.