Home / 1,077,189.79-1,485,975.63-822,098.11

Finding the Fourth Proportional to 1,077,189.79, 1,485,975.63 and 822,098.11

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Solution

The fourth proportional to 1,077,189.79, 1,485,975.63 and 822,098.11 is: 1,134,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,189.79 : 1,485,975.63 = 822,098.11 : x
  2. Step 2: Convert to fraction form
    1,077,189.79/1,485,975.63 = 822,098.11/x
  3. Step 3: Cross multiply
    1,077,189.79x = 1,485,975.63 × 822,098.11
  4. Step 4: Simplify right side
    1,077,189.79x = 1,221,617,756,929.06
  5. Step 5: Solve for x
    x = 1,221,617,756,929.06/1,077,189.79
  6. Step 6: Final answer
    x = 1,134,078.48

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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.