Home / 1,438,699.32-1,985,405.18-794,119.68

Finding the Fourth Proportional to 1,438,699.32, 1,985,405.18 and 794,119.68

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Solution

The fourth proportional to 1,438,699.32, 1,985,405.18 and 794,119.68 is: 1,095,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,699.32 : 1,985,405.18 = 794,119.68 : x
  2. Step 2: Convert to fraction form
    1,438,699.32/1,985,405.18 = 794,119.68/x
  3. Step 3: Cross multiply
    1,438,699.32x = 1,985,405.18 × 794,119.68
  4. Step 4: Simplify right side
    1,438,699.32x = 1,576,649,326,211.94
  5. Step 5: Solve for x
    x = 1,576,649,326,211.94/1,438,699.32
  6. Step 6: Final answer
    x = 1,095,885.22

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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.