Home / 1,380,709.87-2,071,048.35-356,034.76

Finding the Fourth Proportional to 1,380,709.87, 2,071,048.35 and 356,034.76

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Solution

The fourth proportional to 1,380,709.87, 2,071,048.35 and 356,034.76 is: 534,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,709.87 : 2,071,048.35 = 356,034.76 : x
  2. Step 2: Convert to fraction form
    1,380,709.87/2,071,048.35 = 356,034.76/x
  3. Step 3: Cross multiply
    1,380,709.87x = 2,071,048.35 × 356,034.76
  4. Step 4: Simplify right side
    1,380,709.87x = 737,365,202,240.65
  5. Step 5: Solve for x
    x = 737,365,202,240.65/1,380,709.87
  6. Step 6: Final answer
    x = 534,047.90

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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.