Home / 1,255,099.88-1,732,038.05-682,140.11

Finding the Fourth Proportional to 1,255,099.88, 1,732,038.05 and 682,140.11

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Solution

The fourth proportional to 1,255,099.88, 1,732,038.05 and 682,140.11 is: 941,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,099.88 : 1,732,038.05 = 682,140.11 : x
  2. Step 2: Convert to fraction form
    1,255,099.88/1,732,038.05 = 682,140.11/x
  3. Step 3: Cross multiply
    1,255,099.88x = 1,732,038.05 × 682,140.11
  4. Step 4: Simplify right side
    1,255,099.88x = 1,181,492,618,996.35
  5. Step 5: Solve for x
    x = 1,181,492,618,996.35/1,255,099.88
  6. Step 6: Final answer
    x = 941,353.46

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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.