Home / 869,110.40-1,303,665.60-736,578.20

Finding the Fourth Proportional to 869,110.40, 1,303,665.60 and 736,578.20

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Solution

The fourth proportional to 869,110.40, 1,303,665.60 and 736,578.20 is: 1,104,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,110.40 : 1,303,665.60 = 736,578.20 : x
  2. Step 2: Convert to fraction form
    869,110.40/1,303,665.60 = 736,578.20/x
  3. Step 3: Cross multiply
    869,110.40x = 1,303,665.60 × 736,578.20
  4. Step 4: Simplify right side
    869,110.40x = 960,251,661,049.92
  5. Step 5: Solve for x
    x = 960,251,661,049.92/869,110.40
  6. Step 6: Final answer
    x = 1,104,867.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.