Home / 1,438,578.23-1,985,096.61-793,956.80

Finding the Fourth Proportional to 1,438,578.23, 1,985,096.61 and 793,956.80

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Solution

The fourth proportional to 1,438,578.23, 1,985,096.61 and 793,956.80 is: 1,095,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,578.23 : 1,985,096.61 = 793,956.80 : x
  2. Step 2: Convert to fraction form
    1,438,578.23/1,985,096.61 = 793,956.80/x
  3. Step 3: Cross multiply
    1,438,578.23x = 1,985,096.61 × 793,956.80
  4. Step 4: Simplify right side
    1,438,578.23x = 1,576,080,957,129.19
  5. Step 5: Solve for x
    x = 1,576,080,957,129.19/1,438,578.23
  6. Step 6: Final answer
    x = 1,095,582.38

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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.