Home / 1,772,989.72-2,652,777.06-1,087,428.76

Finding the Fourth Proportional to 1,772,989.72, 2,652,777.06 and 1,087,428.76

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Solution

The fourth proportional to 1,772,989.72, 2,652,777.06 and 1,087,428.76 is: 1,627,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,989.72 : 2,652,777.06 = 1,087,428.76 : x
  2. Step 2: Convert to fraction form
    1,772,989.72/2,652,777.06 = 1,087,428.76/x
  3. Step 3: Cross multiply
    1,772,989.72x = 2,652,777.06 × 1,087,428.76
  4. Step 4: Simplify right side
    1,772,989.72x = 2,884,706,068,912.25
  5. Step 5: Solve for x
    x = 2,884,706,068,912.25/1,772,989.72
  6. Step 6: Final answer
    x = 1,627,029.21

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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.