Home / 1,077,181.06-1,485,963.21-822,089.38

Finding the Fourth Proportional to 1,077,181.06, 1,485,963.21 and 822,089.38

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Solution

The fourth proportional to 1,077,181.06, 1,485,963.21 and 822,089.38 is: 1,134,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,181.06 : 1,485,963.21 = 822,089.38 : x
  2. Step 2: Convert to fraction form
    1,077,181.06/1,485,963.21 = 822,089.38/x
  3. Step 3: Cross multiply
    1,077,181.06x = 1,485,963.21 × 822,089.38
  4. Step 4: Simplify right side
    1,077,181.06x = 1,221,594,574,011.71
  5. Step 5: Solve for x
    x = 1,221,594,574,011.71/1,077,181.06
  6. Step 6: Final answer
    x = 1,134,066.15

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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.