Home / 1,387,999.13-2,082,039.59-377,115.62

Finding the Fourth Proportional to 1,387,999.13, 2,082,039.59 and 377,115.62

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Solution

The fourth proportional to 1,387,999.13, 2,082,039.59 and 377,115.62 is: 565,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,999.13 : 2,082,039.59 = 377,115.62 : x
  2. Step 2: Convert to fraction form
    1,387,999.13/2,082,039.59 = 377,115.62/x
  3. Step 3: Cross multiply
    1,387,999.13x = 2,082,039.59 × 377,115.62
  4. Step 4: Simplify right side
    1,387,999.13x = 785,169,641,379.99
  5. Step 5: Solve for x
    x = 785,169,641,379.99/1,387,999.13
  6. Step 6: Final answer
    x = 565,684.54

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1.5x scale

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.