Home / 1,313,190.86-1,812,231.10-740,230.88

Finding the Fourth Proportional to 1,313,190.86, 1,812,231.10 and 740,230.88

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Solution

The fourth proportional to 1,313,190.86, 1,812,231.10 and 740,230.88 is: 1,021,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,190.86 : 1,812,231.10 = 740,230.88 : x
  2. Step 2: Convert to fraction form
    1,313,190.86/1,812,231.10 = 740,230.88/x
  3. Step 3: Cross multiply
    1,313,190.86x = 1,812,231.10 × 740,230.88
  4. Step 4: Simplify right side
    1,313,190.86x = 1,341,469,421,916.37
  5. Step 5: Solve for x
    x = 1,341,469,421,916.37/1,313,190.86
  6. Step 6: Final answer
    x = 1,021,534.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.