Home / 1,671,586.12-2,507,385.66-409,413.88

Finding the Fourth Proportional to 1,671,586.12, 2,507,385.66 and 409,413.88

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Solution

The fourth proportional to 1,671,586.12, 2,507,385.66 and 409,413.88 is: 614,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,586.12 : 2,507,385.66 = 409,413.88 : x
  2. Step 2: Convert to fraction form
    1,671,586.12/2,507,385.66 = 409,413.88/x
  3. Step 3: Cross multiply
    1,671,586.12x = 2,507,385.66 × 409,413.88
  4. Step 4: Simplify right side
    1,671,586.12x = 1,026,558,491,716.96
  5. Step 5: Solve for x
    x = 1,026,558,491,716.96/1,671,586.12
  6. Step 6: Final answer
    x = 614,122.41

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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.