Home / 1,438,785.76-1,985,513.16-794,206.16

Finding the Fourth Proportional to 1,438,785.76, 1,985,513.16 and 794,206.16

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Solution

The fourth proportional to 1,438,785.76, 1,985,513.16 and 794,206.16 is: 1,095,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,785.76 : 1,985,513.16 = 794,206.16 : x
  2. Step 2: Convert to fraction form
    1,438,785.76/1,985,513.16 = 794,206.16/x
  3. Step 3: Cross multiply
    1,438,785.76x = 1,985,513.16 × 794,206.16
  4. Step 4: Simplify right side
    1,438,785.76x = 1,576,906,782,433.07
  5. Step 5: Solve for x
    x = 1,576,906,782,433.07/1,438,785.76
  6. Step 6: Final answer
    x = 1,095,998.32

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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.