Home / 1,438,615.70-1,985,148.21-793,994.32

Finding the Fourth Proportional to 1,438,615.70, 1,985,148.21 and 793,994.32

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Solution

The fourth proportional to 1,438,615.70, 1,985,148.21 and 793,994.32 is: 1,095,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,615.70 : 1,985,148.21 = 793,994.32 : x
  2. Step 2: Convert to fraction form
    1,438,615.70/1,985,148.21 = 793,994.32/x
  3. Step 3: Cross multiply
    1,438,615.70x = 1,985,148.21 × 793,994.32
  4. Step 4: Simplify right side
    1,438,615.70x = 1,576,196,403,098.17
  5. Step 5: Solve for x
    x = 1,576,196,403,098.17/1,438,615.70
  6. Step 6: Final answer
    x = 1,095,634.09

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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.