Home / 1,387,298.80-2,081,086.80-376,436.80

Finding the Fourth Proportional to 1,387,298.80, 2,081,086.80 and 376,436.80

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Solution

The fourth proportional to 1,387,298.80, 2,081,086.80 and 376,436.80 is: 564,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,298.80 : 2,081,086.80 = 376,436.80 : x
  2. Step 2: Convert to fraction form
    1,387,298.80/2,081,086.80 = 376,436.80/x
  3. Step 3: Cross multiply
    1,387,298.80x = 2,081,086.80 × 376,436.80
  4. Step 4: Simplify right side
    1,387,298.80x = 783,397,655,514.24
  5. Step 5: Solve for x
    x = 783,397,655,514.24/1,387,298.80
  6. Step 6: Final answer
    x = 564,692.81

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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.