Home / 1,234,808.82-1,852,213.23-813,986.28

Finding the Fourth Proportional to 1,234,808.82, 1,852,213.23 and 813,986.28

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Solution

The fourth proportional to 1,234,808.82, 1,852,213.23 and 813,986.28 is: 1,220,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,808.82 : 1,852,213.23 = 813,986.28 : x
  2. Step 2: Convert to fraction form
    1,234,808.82/1,852,213.23 = 813,986.28/x
  3. Step 3: Cross multiply
    1,234,808.82x = 1,852,213.23 × 813,986.28
  4. Step 4: Simplify right side
    1,234,808.82x = 1,507,676,156,854.48
  5. Step 5: Solve for x
    x = 1,507,676,156,854.48/1,234,808.82
  6. Step 6: Final answer
    x = 1,220,979.42

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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.