Home / 1,268,500.69-1,903,030.95-370,012.75

Finding the Fourth Proportional to 1,268,500.69, 1,903,030.95 and 370,012.75

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Solution

The fourth proportional to 1,268,500.69, 1,903,030.95 and 370,012.75 is: 555,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,500.69 : 1,903,030.95 = 370,012.75 : x
  2. Step 2: Convert to fraction form
    1,268,500.69/1,903,030.95 = 370,012.75/x
  3. Step 3: Cross multiply
    1,268,500.69x = 1,903,030.95 × 370,012.75
  4. Step 4: Simplify right side
    1,268,500.69x = 704,145,715,144.61
  5. Step 5: Solve for x
    x = 704,145,715,144.61/1,268,500.69
  6. Step 6: Final answer
    x = 555,100.77

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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.