Home / 1,382,311.68-1,903,248.92-1,175,172.48

Finding the Fourth Proportional to 1,382,311.68, 1,903,248.92 and 1,175,172.48

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Solution

The fourth proportional to 1,382,311.68, 1,903,248.92 and 1,175,172.48 is: 1,618,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,311.68 : 1,903,248.92 = 1,175,172.48 : x
  2. Step 2: Convert to fraction form
    1,382,311.68/1,903,248.92 = 1,175,172.48/x
  3. Step 3: Cross multiply
    1,382,311.68x = 1,903,248.92 × 1,175,172.48
  4. Step 4: Simplify right side
    1,382,311.68x = 2,236,645,756,311.65
  5. Step 5: Solve for x
    x = 2,236,645,756,311.65/1,382,311.68
  6. Step 6: Final answer
    x = 1,618,047.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.