Home / 1,436,684.51-2,156,429.16-1,186,513.58

Finding the Fourth Proportional to 1,436,684.51, 2,156,429.16 and 1,186,513.58

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Solution

The fourth proportional to 1,436,684.51, 2,156,429.16 and 1,186,513.58 is: 1,780,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,684.51 : 2,156,429.16 = 1,186,513.58 : x
  2. Step 2: Convert to fraction form
    1,436,684.51/2,156,429.16 = 1,186,513.58/x
  3. Step 3: Cross multiply
    1,436,684.51x = 2,156,429.16 × 1,186,513.58
  4. Step 4: Simplify right side
    1,436,684.51x = 2,558,632,482,647.99
  5. Step 5: Solve for x
    x = 2,558,632,482,647.99/1,436,684.51
  6. Step 6: Final answer
    x = 1,780,928.56

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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.