Home / 1,313,373.82-1,812,537.09-724,670.38

Finding the Fourth Proportional to 1,313,373.82, 1,812,537.09 and 724,670.38

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Solution

The fourth proportional to 1,313,373.82, 1,812,537.09 and 724,670.38 is: 1,000,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,373.82 : 1,812,537.09 = 724,670.38 : x
  2. Step 2: Convert to fraction form
    1,313,373.82/1,812,537.09 = 724,670.38/x
  3. Step 3: Cross multiply
    1,313,373.82x = 1,812,537.09 × 724,670.38
  4. Step 4: Simplify right side
    1,313,373.82x = 1,313,491,941,774.39
  5. Step 5: Solve for x
    x = 1,313,491,941,774.39/1,313,373.82
  6. Step 6: Final answer
    x = 1,000,089.94

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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.