Home / 1,665,389.28-2,498,429.52-668,195.04

Finding the Fourth Proportional to 1,665,389.28, 2,498,429.52 and 668,195.04

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Solution

The fourth proportional to 1,665,389.28, 2,498,429.52 and 668,195.04 is: 1,002,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,389.28 : 2,498,429.52 = 668,195.04 : x
  2. Step 2: Convert to fraction form
    1,665,389.28/2,498,429.52 = 668,195.04/x
  3. Step 3: Cross multiply
    1,665,389.28x = 2,498,429.52 × 668,195.04
  4. Step 4: Simplify right side
    1,665,389.28x = 1,669,438,213,053.58
  5. Step 5: Solve for x
    x = 1,669,438,213,053.58/1,665,389.28
  6. Step 6: Final answer
    x = 1,002,431.22

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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.