Home / 1,726,024.25-2,588,756.49-815,205.74

Finding the Fourth Proportional to 1,726,024.25, 2,588,756.49 and 815,205.74

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Solution

The fourth proportional to 1,726,024.25, 2,588,756.49 and 815,205.74 is: 1,222,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,024.25 : 2,588,756.49 = 815,205.74 : x
  2. Step 2: Convert to fraction form
    1,726,024.25/2,588,756.49 = 815,205.74/x
  3. Step 3: Cross multiply
    1,726,024.25x = 2,588,756.49 × 815,205.74
  4. Step 4: Simplify right side
    1,726,024.25x = 2,110,369,137,166.47
  5. Step 5: Solve for x
    x = 2,110,369,137,166.47/1,726,024.25
  6. Step 6: Final answer
    x = 1,222,676.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.