Home / 1,555,522.08-2,146,607.64-867,185.70

Finding the Fourth Proportional to 1,555,522.08, 2,146,607.64 and 867,185.70

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Solution

The fourth proportional to 1,555,522.08, 2,146,607.64 and 867,185.70 is: 1,196,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,522.08 : 2,146,607.64 = 867,185.70 : x
  2. Step 2: Convert to fraction form
    1,555,522.08/2,146,607.64 = 867,185.70/x
  3. Step 3: Cross multiply
    1,555,522.08x = 2,146,607.64 × 867,185.70
  4. Step 4: Simplify right side
    1,555,522.08x = 1,861,507,448,918.75
  5. Step 5: Solve for x
    x = 1,861,507,448,918.75/1,555,522.08
  6. Step 6: Final answer
    x = 1,196,709.11

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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.