Home / 1,206,688.55-1,810,031.72-308,130.44

Finding the Fourth Proportional to 1,206,688.55, 1,810,031.72 and 308,130.44

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Solution

The fourth proportional to 1,206,688.55, 1,810,031.72 and 308,130.44 is: 462,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,688.55 : 1,810,031.72 = 308,130.44 : x
  2. Step 2: Convert to fraction form
    1,206,688.55/1,810,031.72 = 308,130.44/x
  3. Step 3: Cross multiply
    1,206,688.55x = 1,810,031.72 × 308,130.44
  4. Step 4: Simplify right side
    1,206,688.55x = 557,725,859,706.75
  5. Step 5: Solve for x
    x = 557,725,859,706.75/1,206,688.55
  6. Step 6: Final answer
    x = 462,195.37

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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.