Home / 1,313,610.55-1,812,781.68-709,998.55

Finding the Fourth Proportional to 1,313,610.55, 1,812,781.68 and 709,998.55

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Solution

The fourth proportional to 1,313,610.55, 1,812,781.68 and 709,998.55 is: 979,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,610.55 : 1,812,781.68 = 709,998.55 : x
  2. Step 2: Convert to fraction form
    1,313,610.55/1,812,781.68 = 709,998.55/x
  3. Step 3: Cross multiply
    1,313,610.55x = 1,812,781.68 × 709,998.55
  4. Step 4: Simplify right side
    1,313,610.55x = 1,287,072,364,266.56
  5. Step 5: Solve for x
    x = 1,287,072,364,266.56/1,313,610.55
  6. Step 6: Final answer
    x = 979,797.52

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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.