Home / 1,438,718.60-1,985,431.77-794,138.96

Finding the Fourth Proportional to 1,438,718.60, 1,985,431.77 and 794,138.96

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Solution

The fourth proportional to 1,438,718.60, 1,985,431.77 and 794,138.96 is: 1,095,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,718.60 : 1,985,431.77 = 794,138.96 : x
  2. Step 2: Convert to fraction form
    1,438,718.60/1,985,431.77 = 794,138.96/x
  3. Step 3: Cross multiply
    1,438,718.60x = 1,985,431.77 × 794,138.96
  4. Step 4: Simplify right side
    1,438,718.60x = 1,576,708,711,051.60
  5. Step 5: Solve for x
    x = 1,576,708,711,051.60/1,438,718.60
  6. Step 6: Final answer
    x = 1,095,911.82

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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.