Home / 1,275,303.20-1,759,850.96-731,410.88

Finding the Fourth Proportional to 1,275,303.20, 1,759,850.96 and 731,410.88

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Solution

The fourth proportional to 1,275,303.20, 1,759,850.96 and 731,410.88 is: 1,009,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,303.20 : 1,759,850.96 = 731,410.88 : x
  2. Step 2: Convert to fraction form
    1,275,303.20/1,759,850.96 = 731,410.88/x
  3. Step 3: Cross multiply
    1,275,303.20x = 1,759,850.96 × 731,410.88
  4. Step 4: Simplify right side
    1,275,303.20x = 1,287,174,139,322.44
  5. Step 5: Solve for x
    x = 1,287,174,139,322.44/1,275,303.20
  6. Step 6: Final answer
    x = 1,009,308.33

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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.