Home / 849,876.30-1,274,814.45-800,012.70

Finding the Fourth Proportional to 849,876.30, 1,274,814.45 and 800,012.70

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Solution

The fourth proportional to 849,876.30, 1,274,814.45 and 800,012.70 is: 1,200,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,876.30 : 1,274,814.45 = 800,012.70 : x
  2. Step 2: Convert to fraction form
    849,876.30/1,274,814.45 = 800,012.70/x
  3. Step 3: Cross multiply
    849,876.30x = 1,274,814.45 × 800,012.70
  4. Step 4: Simplify right side
    849,876.30x = 1,019,867,750,143.51
  5. Step 5: Solve for x
    x = 1,019,867,750,143.51/849,876.30
  6. Step 6: Final answer
    x = 1,200,019.05

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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.