Home / 1,328,893.67-1,993,340.52-759,875.63

Finding the Fourth Proportional to 1,328,893.67, 1,993,340.52 and 759,875.63

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Solution

The fourth proportional to 1,328,893.67, 1,993,340.52 and 759,875.63 is: 1,139,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,893.67 : 1,993,340.52 = 759,875.63 : x
  2. Step 2: Convert to fraction form
    1,328,893.67/1,993,340.52 = 759,875.63/x
  3. Step 3: Cross multiply
    1,328,893.67x = 1,993,340.52 × 759,875.63
  4. Step 4: Simplify right side
    1,328,893.67x = 1,514,690,873,472.83
  5. Step 5: Solve for x
    x = 1,514,690,873,472.83/1,328,893.67
  6. Step 6: Final answer
    x = 1,139,813.45

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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.