Home / 1,351,853.30-1,865,429.97-807,880.79

Finding the Fourth Proportional to 1,351,853.30, 1,865,429.97 and 807,880.79

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Solution

The fourth proportional to 1,351,853.30, 1,865,429.97 and 807,880.79 is: 1,114,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,853.30 : 1,865,429.97 = 807,880.79 : x
  2. Step 2: Convert to fraction form
    1,351,853.30/1,865,429.97 = 807,880.79/x
  3. Step 3: Cross multiply
    1,351,853.30x = 1,865,429.97 × 807,880.79
  4. Step 4: Simplify right side
    1,351,853.30x = 1,507,045,039,487.30
  5. Step 5: Solve for x
    x = 1,507,045,039,487.30/1,351,853.30
  6. Step 6: Final answer
    x = 1,114,799.24

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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.