Home / 1,434,066.77-1,979,127.82-822,276.45

Finding the Fourth Proportional to 1,434,066.77, 1,979,127.82 and 822,276.45

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Solution

The fourth proportional to 1,434,066.77, 1,979,127.82 and 822,276.45 is: 1,134,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,066.77 : 1,979,127.82 = 822,276.45 : x
  2. Step 2: Convert to fraction form
    1,434,066.77/1,979,127.82 = 822,276.45/x
  3. Step 3: Cross multiply
    1,434,066.77x = 1,979,127.82 × 822,276.45
  4. Step 4: Simplify right side
    1,434,066.77x = 1,627,390,197,925.84
  5. Step 5: Solve for x
    x = 1,627,390,197,925.84/1,434,066.77
  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.