Home / 1,312,496.28-1,811,245.48-708,884.28

Finding the Fourth Proportional to 1,312,496.28, 1,811,245.48 and 708,884.28

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Solution

The fourth proportional to 1,312,496.28, 1,811,245.48 and 708,884.28 is: 978,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,496.28 : 1,811,245.48 = 708,884.28 : x
  2. Step 2: Convert to fraction form
    1,312,496.28/1,811,245.48 = 708,884.28/x
  3. Step 3: Cross multiply
    1,312,496.28x = 1,811,245.48 × 708,884.28
  4. Step 4: Simplify right side
    1,312,496.28x = 1,283,963,447,993.05
  5. Step 5: Solve for x
    x = 1,283,963,447,993.05/1,312,496.28
  6. Step 6: Final answer
    x = 978,260.64

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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.