Home / 1,077,188.79-1,485,974.25-822,097.11

Finding the Fourth Proportional to 1,077,188.79, 1,485,974.25 and 822,097.11

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Solution

The fourth proportional to 1,077,188.79, 1,485,974.25 and 822,097.11 is: 1,134,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,188.79 : 1,485,974.25 = 822,097.11 : x
  2. Step 2: Convert to fraction form
    1,077,188.79/1,485,974.25 = 822,097.11/x
  3. Step 3: Cross multiply
    1,077,188.79x = 1,485,974.25 × 822,097.11
  4. Step 4: Simplify right side
    1,077,188.79x = 1,221,615,136,459.42
  5. Step 5: Solve for x
    x = 1,221,615,136,459.42/1,077,188.79
  6. Step 6: Final answer
    x = 1,134,077.10

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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.