Home / 1,438,717.24-1,985,430.02-794,137.72

Finding the Fourth Proportional to 1,438,717.24, 1,985,430.02 and 794,137.72

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Solution

The fourth proportional to 1,438,717.24, 1,985,430.02 and 794,137.72 is: 1,095,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,717.24 : 1,985,430.02 = 794,137.72 : x
  2. Step 2: Convert to fraction form
    1,438,717.24/1,985,430.02 = 794,137.72/x
  3. Step 3: Cross multiply
    1,438,717.24x = 1,985,430.02 × 794,137.72
  4. Step 4: Simplify right side
    1,438,717.24x = 1,576,704,869,302.35
  5. Step 5: Solve for x
    x = 1,576,704,869,302.35/1,438,717.24
  6. Step 6: Final answer
    x = 1,095,910.18

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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.