Home / 1,478,766.38-2,218,149.77-356,835.38

Finding the Fourth Proportional to 1,478,766.38, 2,218,149.77 and 356,835.38

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Solution

The fourth proportional to 1,478,766.38, 2,218,149.77 and 356,835.38 is: 535,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,766.38 : 2,218,149.77 = 356,835.38 : x
  2. Step 2: Convert to fraction form
    1,478,766.38/2,218,149.77 = 356,835.38/x
  3. Step 3: Cross multiply
    1,478,766.38x = 2,218,149.77 × 356,835.38
  4. Step 4: Simplify right side
    1,478,766.38x = 791,514,303,199.94
  5. Step 5: Solve for x
    x = 791,514,303,199.94/1,478,766.38
  6. Step 6: Final answer
    x = 535,253.11

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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.