Home / 1,246,164.63-1,873,148.72-822,423.47

Finding the Fourth Proportional to 1,246,164.63, 1,873,148.72 and 822,423.47

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Solution

The fourth proportional to 1,246,164.63, 1,873,148.72 and 822,423.47 is: 1,236,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,164.63 : 1,873,148.72 = 822,423.47 : x
  2. Step 2: Convert to fraction form
    1,246,164.63/1,873,148.72 = 822,423.47/x
  3. Step 3: Cross multiply
    1,246,164.63x = 1,873,148.72 × 822,423.47
  4. Step 4: Simplify right side
    1,246,164.63x = 1,540,521,456,650.60
  5. Step 5: Solve for x
    x = 1,540,521,456,650.60/1,246,164.63
  6. Step 6: Final answer
    x = 1,236,210.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.