Home / 1,143,782.69-1,577,125.81-729,765.37

Finding the Fourth Proportional to 1,143,782.69, 1,577,125.81 and 729,765.37

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Solution

The fourth proportional to 1,143,782.69, 1,577,125.81 and 729,765.37 is: 1,006,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,782.69 : 1,577,125.81 = 729,765.37 : x
  2. Step 2: Convert to fraction form
    1,143,782.69/1,577,125.81 = 729,765.37/x
  3. Step 3: Cross multiply
    1,143,782.69x = 1,577,125.81 × 729,765.37
  4. Step 4: Simplify right side
    1,143,782.69x = 1,150,931,788,736.74
  5. Step 5: Solve for x
    x = 1,150,931,788,736.74/1,143,782.69
  6. Step 6: Final answer
    x = 1,006,250.40

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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.