Home / 1,240,764.30-1,861,146.45-925,836.30

Finding the Fourth Proportional to 1,240,764.30, 1,861,146.45 and 925,836.30

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Solution

The fourth proportional to 1,240,764.30, 1,861,146.45 and 925,836.30 is: 1,388,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,764.30 : 1,861,146.45 = 925,836.30 : x
  2. Step 2: Convert to fraction form
    1,240,764.30/1,861,146.45 = 925,836.30/x
  3. Step 3: Cross multiply
    1,240,764.30x = 1,861,146.45 × 925,836.30
  4. Step 4: Simplify right side
    1,240,764.30x = 1,723,116,943,026.14
  5. Step 5: Solve for x
    x = 1,723,116,943,026.14/1,240,764.30
  6. Step 6: Final answer
    x = 1,388,754.45

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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.