Home / 1,243,333.12-1,864,999.68-822,510.58

Finding the Fourth Proportional to 1,243,333.12, 1,864,999.68 and 822,510.58

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Solution

The fourth proportional to 1,243,333.12, 1,864,999.68 and 822,510.58 is: 1,233,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,333.12 : 1,864,999.68 = 822,510.58 : x
  2. Step 2: Convert to fraction form
    1,243,333.12/1,864,999.68 = 822,510.58/x
  3. Step 3: Cross multiply
    1,243,333.12x = 1,864,999.68 × 822,510.58
  4. Step 4: Simplify right side
    1,243,333.12x = 1,533,981,968,496.61
  5. Step 5: Solve for x
    x = 1,533,981,968,496.61/1,243,333.12
  6. Step 6: Final answer
    x = 1,233,765.87

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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.