Home / 1,087,725.78-1,631,341.89-413,567.37

Finding the Fourth Proportional to 1,087,725.78, 1,631,341.89 and 413,567.37

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Solution

The fourth proportional to 1,087,725.78, 1,631,341.89 and 413,567.37 is: 620,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,725.78 : 1,631,341.89 = 413,567.37 : x
  2. Step 2: Convert to fraction form
    1,087,725.78/1,631,341.89 = 413,567.37/x
  3. Step 3: Cross multiply
    1,087,725.78x = 1,631,341.89 × 413,567.37
  4. Step 4: Simplify right side
    1,087,725.78x = 674,669,775,018.13
  5. Step 5: Solve for x
    x = 674,669,775,018.13/1,087,725.78
  6. Step 6: Final answer
    x = 620,257.23

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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.