Home / 1,087,224.78-1,630,311.67-403,640.26

Finding the Fourth Proportional to 1,087,224.78, 1,630,311.67 and 403,640.26

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Solution

The fourth proportional to 1,087,224.78, 1,630,311.67 and 403,640.26 is: 605,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,224.78 : 1,630,311.67 = 403,640.26 : x
  2. Step 2: Convert to fraction form
    1,087,224.78/1,630,311.67 = 403,640.26/x
  3. Step 3: Cross multiply
    1,087,224.78x = 1,630,311.67 × 403,640.26
  4. Step 4: Simplify right side
    1,087,224.78x = 658,059,426,359.83
  5. Step 5: Solve for x
    x = 658,059,426,359.83/1,087,224.78
  6. Step 6: Final answer
    x = 605,265.29

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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.