Home / 1,812,376.48-2,501,143.68-996,642.40

Finding the Fourth Proportional to 1,812,376.48, 2,501,143.68 and 996,642.40

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Solution

The fourth proportional to 1,812,376.48, 2,501,143.68 and 996,642.40 is: 1,375,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,376.48 : 2,501,143.68 = 996,642.40 : x
  2. Step 2: Convert to fraction form
    1,812,376.48/2,501,143.68 = 996,642.40/x
  3. Step 3: Cross multiply
    1,812,376.48x = 2,501,143.68 × 996,642.40
  4. Step 4: Simplify right side
    1,812,376.48x = 2,492,745,839,980.03
  5. Step 5: Solve for x
    x = 2,492,745,839,980.03/1,812,376.48
  6. Step 6: Final answer
    x = 1,375,401.78

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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.