Home / 1,087,810.61-1,631,715.92-413,736.20

Finding the Fourth Proportional to 1,087,810.61, 1,631,715.92 and 413,736.20

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Solution

The fourth proportional to 1,087,810.61, 1,631,715.92 and 413,736.20 is: 620,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,810.61 : 1,631,715.92 = 413,736.20 : x
  2. Step 2: Convert to fraction form
    1,087,810.61/1,631,715.92 = 413,736.20/x
  3. Step 3: Cross multiply
    1,087,810.61x = 1,631,715.92 × 413,736.20
  4. Step 4: Simplify right side
    1,087,810.61x = 675,099,949,678.26
  5. Step 5: Solve for x
    x = 675,099,949,678.26/1,087,810.61
  6. Step 6: Final answer
    x = 620,604.31

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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.