Home / 1,029,339.86-1,542,302.49-728,328.38

Finding the Fourth Proportional to 1,029,339.86, 1,542,302.49 and 728,328.38

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Solution

The fourth proportional to 1,029,339.86, 1,542,302.49 and 728,328.38 is: 1,091,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,339.86 : 1,542,302.49 = 728,328.38 : x
  2. Step 2: Convert to fraction form
    1,029,339.86/1,542,302.49 = 728,328.38/x
  3. Step 3: Cross multiply
    1,029,339.86x = 1,542,302.49 × 728,328.38
  4. Step 4: Simplify right side
    1,029,339.86x = 1,123,302,674,011.67
  5. Step 5: Solve for x
    x = 1,123,302,674,011.67/1,029,339.86
  6. Step 6: Final answer
    x = 1,091,284.54

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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.