Home / 1,275,074.58-1,759,535.02-731,184.09

Finding the Fourth Proportional to 1,275,074.58, 1,759,535.02 and 731,184.09

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Solution

The fourth proportional to 1,275,074.58, 1,759,535.02 and 731,184.09 is: 1,008,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,074.58 : 1,759,535.02 = 731,184.09 : x
  2. Step 2: Convert to fraction form
    1,275,074.58/1,759,535.02 = 731,184.09/x
  3. Step 3: Cross multiply
    1,275,074.58x = 1,759,535.02 × 731,184.09
  4. Step 4: Simplify right side
    1,275,074.58x = 1,286,544,012,421.83
  5. Step 5: Solve for x
    x = 1,286,544,012,421.83/1,275,074.58
  6. Step 6: Final answer
    x = 1,008,995.11

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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.