Home / 1,521,216.98-2,099,196.15-832,755.68

Finding the Fourth Proportional to 1,521,216.98, 2,099,196.15 and 832,755.68

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Solution

The fourth proportional to 1,521,216.98, 2,099,196.15 and 832,755.68 is: 1,149,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,216.98 : 2,099,196.15 = 832,755.68 : x
  2. Step 2: Convert to fraction form
    1,521,216.98/2,099,196.15 = 832,755.68/x
  3. Step 3: Cross multiply
    1,521,216.98x = 2,099,196.15 × 832,755.68
  4. Step 4: Simplify right side
    1,521,216.98x = 1,748,117,517,346.63
  5. Step 5: Solve for x
    x = 1,748,117,517,346.63/1,521,216.98
  6. Step 6: Final answer
    x = 1,149,157.25

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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.