Home / 1,438,724.81-1,985,440.44-794,145.14

Finding the Fourth Proportional to 1,438,724.81, 1,985,440.44 and 794,145.14

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Solution

The fourth proportional to 1,438,724.81, 1,985,440.44 and 794,145.14 is: 1,095,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,724.81 : 1,985,440.44 = 794,145.14 : x
  2. Step 2: Convert to fraction form
    1,438,724.81/1,985,440.44 = 794,145.14/x
  3. Step 3: Cross multiply
    1,438,724.81x = 1,985,440.44 × 794,145.14
  4. Step 4: Simplify right side
    1,438,724.81x = 1,576,727,876,185.46
  5. Step 5: Solve for x
    x = 1,576,727,876,185.46/1,438,724.81
  6. Step 6: Final answer
    x = 1,095,920.40

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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.