Home / 1,237,181.78-1,855,317.50-427,360.13

Finding the Fourth Proportional to 1,237,181.78, 1,855,317.50 and 427,360.13

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Solution

The fourth proportional to 1,237,181.78, 1,855,317.50 and 427,360.13 is: 640,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,181.78 : 1,855,317.50 = 427,360.13 : x
  2. Step 2: Convert to fraction form
    1,237,181.78/1,855,317.50 = 427,360.13/x
  3. Step 3: Cross multiply
    1,237,181.78x = 1,855,317.50 × 427,360.13
  4. Step 4: Simplify right side
    1,237,181.78x = 792,888,718,897.03
  5. Step 5: Solve for x
    x = 792,888,718,897.03/1,237,181.78
  6. Step 6: Final answer
    x = 640,882.96

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1.5x scale

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.