Home / 1,313,638.82-1,970,516.95-402,755.75

Finding the Fourth Proportional to 1,313,638.82, 1,970,516.95 and 402,755.75

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Solution

The fourth proportional to 1,313,638.82, 1,970,516.95 and 402,755.75 is: 604,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,638.82 : 1,970,516.95 = 402,755.75 : x
  2. Step 2: Convert to fraction form
    1,313,638.82/1,970,516.95 = 402,755.75/x
  3. Step 3: Cross multiply
    1,313,638.82x = 1,970,516.95 × 402,755.75
  4. Step 4: Simplify right side
    1,313,638.82x = 793,637,022,232.38
  5. Step 5: Solve for x
    x = 793,637,022,232.38/1,313,638.82
  6. Step 6: Final answer
    x = 604,151.62

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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.