Home / 1,704,828.40-2,563,463.40-1,431,113.20

Finding the Fourth Proportional to 1,704,828.40, 2,563,463.40 and 1,431,113.20

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Solution

The fourth proportional to 1,704,828.40, 2,563,463.40 and 1,431,113.20 is: 2,151,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,828.40 : 2,563,463.40 = 1,431,113.20 : x
  2. Step 2: Convert to fraction form
    1,704,828.40/2,563,463.40 = 1,431,113.20/x
  3. Step 3: Cross multiply
    1,704,828.40x = 2,563,463.40 × 1,431,113.20
  4. Step 4: Simplify right side
    1,704,828.40x = 3,668,606,309,456.88
  5. Step 5: Solve for x
    x = 3,668,606,309,456.88/1,704,828.40
  6. Step 6: Final answer
    x = 2,151,891.83

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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.