Home / 916,822.20-1,371,345.30-822,732.60

Finding the Fourth Proportional to 916,822.20, 1,371,345.30 and 822,732.60

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Solution

The fourth proportional to 916,822.20, 1,371,345.30 and 822,732.60 is: 1,230,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,822.20 : 1,371,345.30 = 822,732.60 : x
  2. Step 2: Convert to fraction form
    916,822.20/1,371,345.30 = 822,732.60/x
  3. Step 3: Cross multiply
    916,822.20x = 1,371,345.30 × 822,732.60
  4. Step 4: Simplify right side
    916,822.20x = 1,128,250,484,166.78
  5. Step 5: Solve for x
    x = 1,128,250,484,166.78/916,822.20
  6. Step 6: Final answer
    x = 1,230,609.91

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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.