Home / 1,207,636.10-1,811,672.85-607,085.90

Finding the Fourth Proportional to 1,207,636.10, 1,811,672.85 and 607,085.90

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Solution

The fourth proportional to 1,207,636.10, 1,811,672.85 and 607,085.90 is: 910,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,636.10 : 1,811,672.85 = 607,085.90 : x
  2. Step 2: Convert to fraction form
    1,207,636.10/1,811,672.85 = 607,085.90/x
  3. Step 3: Cross multiply
    1,207,636.10x = 1,811,672.85 × 607,085.90
  4. Step 4: Simplify right side
    1,207,636.10x = 1,099,841,042,647.82
  5. Step 5: Solve for x
    x = 1,099,841,042,647.82/1,207,636.10
  6. Step 6: Final answer
    x = 910,738.79

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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.