Home / 1,697,145.20-2,545,660.20-434,985.20

Finding the Fourth Proportional to 1,697,145.20, 2,545,660.20 and 434,985.20

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Solution

The fourth proportional to 1,697,145.20, 2,545,660.20 and 434,985.20 is: 652,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,145.20 : 2,545,660.20 = 434,985.20 : x
  2. Step 2: Convert to fraction form
    1,697,145.20/2,545,660.20 = 434,985.20/x
  3. Step 3: Cross multiply
    1,697,145.20x = 2,545,660.20 × 434,985.20
  4. Step 4: Simplify right side
    1,697,145.20x = 1,107,324,511,229.04
  5. Step 5: Solve for x
    x = 1,107,324,511,229.04/1,697,145.20
  6. Step 6: Final answer
    x = 652,463.04

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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.