Home / 1,438,698.76-1,985,393.34-794,118.88

Finding the Fourth Proportional to 1,438,698.76, 1,985,393.34 and 794,118.88

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Solution

The fourth proportional to 1,438,698.76, 1,985,393.34 and 794,118.88 is: 1,095,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,698.76 : 1,985,393.34 = 794,118.88 : x
  2. Step 2: Convert to fraction form
    1,438,698.76/1,985,393.34 = 794,118.88/x
  3. Step 3: Cross multiply
    1,438,698.76x = 1,985,393.34 × 794,118.88
  4. Step 4: Simplify right side
    1,438,698.76x = 1,576,638,335,520.26
  5. Step 5: Solve for x
    x = 1,576,638,335,520.26/1,438,698.76
  6. Step 6: Final answer
    x = 1,095,878.01

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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.