Home / 1,419,761.64-2,130,692.28-521,760

Finding the Fourth Proportional to 1,419,761.64, 2,130,692.28 and 521,760

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Solution

The fourth proportional to 1,419,761.64, 2,130,692.28 and 521,760 is: 783,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,761.64 : 2,130,692.28 = 521,760 : x
  2. Step 2: Convert to fraction form
    1,419,761.64/2,130,692.28 = 521,760/x
  3. Step 3: Cross multiply
    1,419,761.64x = 2,130,692.28 × 521,760
  4. Step 4: Simplify right side
    1,419,761.64x = 1,111,710,004,012.80
  5. Step 5: Solve for x
    x = 1,111,710,004,012.80/1,419,761.64
  6. Step 6: Final answer
    x = 783,025.81

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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.