Home / 1,313,734.80-1,970,602.20-1,284,210.30

Finding the Fourth Proportional to 1,313,734.80, 1,970,602.20 and 1,284,210.30

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Solution

The fourth proportional to 1,313,734.80, 1,970,602.20 and 1,284,210.30 is: 1,926,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,734.80 : 1,970,602.20 = 1,284,210.30 : x
  2. Step 2: Convert to fraction form
    1,313,734.80/1,970,602.20 = 1,284,210.30/x
  3. Step 3: Cross multiply
    1,313,734.80x = 1,970,602.20 × 1,284,210.30
  4. Step 4: Simplify right side
    1,313,734.80x = 2,530,667,642,442.66
  5. Step 5: Solve for x
    x = 2,530,667,642,442.66/1,313,734.80
  6. Step 6: Final answer
    x = 1,926,315.45

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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.