Home / 1,126,108.76-1,687,982.16-526,564.64

Finding the Fourth Proportional to 1,126,108.76, 1,687,982.16 and 526,564.64

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Solution

The fourth proportional to 1,126,108.76, 1,687,982.16 and 526,564.64 is: 789,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,108.76 : 1,687,982.16 = 526,564.64 : x
  2. Step 2: Convert to fraction form
    1,126,108.76/1,687,982.16 = 526,564.64/x
  3. Step 3: Cross multiply
    1,126,108.76x = 1,687,982.16 × 526,564.64
  4. Step 4: Simplify right side
    1,126,108.76x = 888,831,718,406.82
  5. Step 5: Solve for x
    x = 888,831,718,406.82/1,126,108.76
  6. Step 6: Final answer
    x = 789,294.74

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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.