Home / 1,460,245.32-2,015,145.54-815,692.68

Finding the Fourth Proportional to 1,460,245.32, 2,015,145.54 and 815,692.68

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Solution

The fourth proportional to 1,460,245.32, 2,015,145.54 and 815,692.68 is: 1,125,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,245.32 : 2,015,145.54 = 815,692.68 : x
  2. Step 2: Convert to fraction form
    1,460,245.32/2,015,145.54 = 815,692.68/x
  3. Step 3: Cross multiply
    1,460,245.32x = 2,015,145.54 × 815,692.68
  4. Step 4: Simplify right side
    1,460,245.32x = 1,643,739,466,112.65
  5. Step 5: Solve for x
    x = 1,643,739,466,112.65/1,460,245.32
  6. Step 6: Final answer
    x = 1,125,659.81

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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.