Home / 1,434,066.76-1,979,127.83-822,276.44

Finding the Fourth Proportional to 1,434,066.76, 1,979,127.83 and 822,276.44

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Solution

The fourth proportional to 1,434,066.76, 1,979,127.83 and 822,276.44 is: 1,134,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,066.76 : 1,979,127.83 = 822,276.44 : x
  2. Step 2: Convert to fraction form
    1,434,066.76/1,979,127.83 = 822,276.44/x
  3. Step 3: Cross multiply
    1,434,066.76x = 1,979,127.83 × 822,276.44
  4. Step 4: Simplify right side
    1,434,066.76x = 1,627,390,187,193.76
  5. Step 5: Solve for x
    x = 1,627,390,187,193.76/1,434,066.76
  6. Step 6: Final answer
    x = 1,134,807.83

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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.