Home / 1,143,448.73-1,578,245.98-776,546.68

Finding the Fourth Proportional to 1,143,448.73, 1,578,245.98 and 776,546.68

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Solution

The fourth proportional to 1,143,448.73, 1,578,245.98 and 776,546.68 is: 1,071,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,448.73 : 1,578,245.98 = 776,546.68 : x
  2. Step 2: Convert to fraction form
    1,143,448.73/1,578,245.98 = 776,546.68/x
  3. Step 3: Cross multiply
    1,143,448.73x = 1,578,245.98 × 776,546.68
  4. Step 4: Simplify right side
    1,143,448.73x = 1,225,581,668,101.12
  5. Step 5: Solve for x
    x = 1,225,581,668,101.12/1,143,448.73
  6. Step 6: Final answer
    x = 1,071,829.14

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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.