Home / 1,353,320.88-2,028,709.78-454,132

Finding the Fourth Proportional to 1,353,320.88, 2,028,709.78 and 454,132

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Solution

The fourth proportional to 1,353,320.88, 2,028,709.78 and 454,132 is: 680,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,320.88 : 2,028,709.78 = 454,132 : x
  2. Step 2: Convert to fraction form
    1,353,320.88/2,028,709.78 = 454,132/x
  3. Step 3: Cross multiply
    1,353,320.88x = 2,028,709.78 × 454,132
  4. Step 4: Simplify right side
    1,353,320.88x = 921,302,029,810.96
  5. Step 5: Solve for x
    x = 921,302,029,810.96/1,353,320.88
  6. Step 6: Final answer
    x = 680,771.31

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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.