Home / 1,434,602.80-1,976,384.46-998,269.77

Finding the Fourth Proportional to 1,434,602.80, 1,976,384.46 and 998,269.77

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Solution

The fourth proportional to 1,434,602.80, 1,976,384.46 and 998,269.77 is: 1,375,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,602.80 : 1,976,384.46 = 998,269.77 : x
  2. Step 2: Convert to fraction form
    1,434,602.80/1,976,384.46 = 998,269.77/x
  3. Step 3: Cross multiply
    1,434,602.80x = 1,976,384.46 × 998,269.77
  4. Step 4: Simplify right side
    1,434,602.80x = 1,972,964,854,738.30
  5. Step 5: Solve for x
    x = 1,972,964,854,738.30/1,434,602.80
  6. Step 6: Final answer
    x = 1,375,269.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.