Home / 1,438,717.35-1,985,430.05-794,137.71

Finding the Fourth Proportional to 1,438,717.35, 1,985,430.05 and 794,137.71

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Solution

The fourth proportional to 1,438,717.35, 1,985,430.05 and 794,137.71 is: 1,095,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,717.35 : 1,985,430.05 = 794,137.71 : x
  2. Step 2: Convert to fraction form
    1,438,717.35/1,985,430.05 = 794,137.71/x
  3. Step 3: Cross multiply
    1,438,717.35x = 1,985,430.05 × 794,137.71
  4. Step 4: Simplify right side
    1,438,717.35x = 1,576,704,873,272.19
  5. Step 5: Solve for x
    x = 1,576,704,873,272.19/1,438,717.35
  6. Step 6: Final answer
    x = 1,095,910.10

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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.