Home / 1,099,858.53-1,516,214.31-772,173.95

Finding the Fourth Proportional to 1,099,858.53, 1,516,214.31 and 772,173.95

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Solution

The fourth proportional to 1,099,858.53, 1,516,214.31 and 772,173.95 is: 1,064,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,858.53 : 1,516,214.31 = 772,173.95 : x
  2. Step 2: Convert to fraction form
    1,099,858.53/1,516,214.31 = 772,173.95/x
  3. Step 3: Cross multiply
    1,099,858.53x = 1,516,214.31 × 772,173.95
  4. Step 4: Simplify right side
    1,099,858.53x = 1,170,781,185,218.15
  5. Step 5: Solve for x
    x = 1,170,781,185,218.15/1,099,858.53
  6. Step 6: Final answer
    x = 1,064,483.43

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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.