Home / 1,508,021.42-2,081,084.35-819,692.86

Finding the Fourth Proportional to 1,508,021.42, 2,081,084.35 and 819,692.86

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Solution

The fourth proportional to 1,508,021.42, 2,081,084.35 and 819,692.86 is: 1,131,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,021.42 : 2,081,084.35 = 819,692.86 : x
  2. Step 2: Convert to fraction form
    1,508,021.42/2,081,084.35 = 819,692.86/x
  3. Step 3: Cross multiply
    1,508,021.42x = 2,081,084.35 × 819,692.86
  4. Step 4: Simplify right side
    1,508,021.42x = 1,705,849,982,752.74
  5. Step 5: Solve for x
    x = 1,705,849,982,752.74/1,508,021.42
  6. Step 6: Final answer
    x = 1,131,184.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.