Home / 1,086,056.36-1,628,429.82-486,909.16

Finding the Fourth Proportional to 1,086,056.36, 1,628,429.82 and 486,909.16

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Solution

The fourth proportional to 1,086,056.36, 1,628,429.82 and 486,909.16 is: 730,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,056.36 : 1,628,429.82 = 486,909.16 : x
  2. Step 2: Convert to fraction form
    1,086,056.36/1,628,429.82 = 486,909.16/x
  3. Step 3: Cross multiply
    1,086,056.36x = 1,628,429.82 × 486,909.16
  4. Step 4: Simplify right side
    1,086,056.36x = 792,897,395,775.15
  5. Step 5: Solve for x
    x = 792,897,395,775.15/1,086,056.36
  6. Step 6: Final answer
    x = 730,070.21

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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.