Home / 1,116,833.40-1,675,250.22-780,530.88

Finding the Fourth Proportional to 1,116,833.40, 1,675,250.22 and 780,530.88

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Solution

The fourth proportional to 1,116,833.40, 1,675,250.22 and 780,530.88 is: 1,170,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,833.40 : 1,675,250.22 = 780,530.88 : x
  2. Step 2: Convert to fraction form
    1,116,833.40/1,675,250.22 = 780,530.88/x
  3. Step 3: Cross multiply
    1,116,833.40x = 1,675,250.22 × 780,530.88
  4. Step 4: Simplify right side
    1,116,833.40x = 1,307,584,528,436.79
  5. Step 5: Solve for x
    x = 1,307,584,528,436.79/1,116,833.40
  6. Step 6: Final answer
    x = 1,170,796.40

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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.