Home / 1,504,191.92-2,075,774.04-815,861.60

Finding the Fourth Proportional to 1,504,191.92, 2,075,774.04 and 815,861.60

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Solution

The fourth proportional to 1,504,191.92, 2,075,774.04 and 815,861.60 is: 1,125,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,191.92 : 2,075,774.04 = 815,861.60 : x
  2. Step 2: Convert to fraction form
    1,504,191.92/2,075,774.04 = 815,861.60/x
  3. Step 3: Cross multiply
    1,504,191.92x = 2,075,774.04 × 815,861.60
  4. Step 4: Simplify right side
    1,504,191.92x = 1,693,544,329,512.86
  5. Step 5: Solve for x
    x = 1,693,544,329,512.86/1,504,191.92
  6. Step 6: Final answer
    x = 1,125,883.14

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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.