Home / 1,146,875.40-1,719,238.73-388,185.96

Finding the Fourth Proportional to 1,146,875.40, 1,719,238.73 and 388,185.96

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Solution

The fourth proportional to 1,146,875.40, 1,719,238.73 and 388,185.96 is: 581,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,875.40 : 1,719,238.73 = 388,185.96 : x
  2. Step 2: Convert to fraction form
    1,146,875.40/1,719,238.73 = 388,185.96/x
  3. Step 3: Cross multiply
    1,146,875.40x = 1,719,238.73 × 388,185.96
  4. Step 4: Simplify right side
    1,146,875.40x = 667,384,337,844.70
  5. Step 5: Solve for x
    x = 667,384,337,844.70/1,146,875.40
  6. Step 6: Final answer
    x = 581,915.30

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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.