Home / 1,255,164.84-1,732,133.70-682,216.20

Finding the Fourth Proportional to 1,255,164.84, 1,732,133.70 and 682,216.20

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Solution

The fourth proportional to 1,255,164.84, 1,732,133.70 and 682,216.20 is: 941,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,164.84 : 1,732,133.70 = 682,216.20 : x
  2. Step 2: Convert to fraction form
    1,255,164.84/1,732,133.70 = 682,216.20/x
  3. Step 3: Cross multiply
    1,255,164.84x = 1,732,133.70 × 682,216.20
  4. Step 4: Simplify right side
    1,255,164.84x = 1,181,689,670,705.94
  5. Step 5: Solve for x
    x = 1,181,689,670,705.94/1,255,164.84
  6. Step 6: Final answer
    x = 941,461.74

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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.