Home / 1,236,529.29-1,706,428.17-720,270

Finding the Fourth Proportional to 1,236,529.29, 1,706,428.17 and 720,270

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Solution

The fourth proportional to 1,236,529.29, 1,706,428.17 and 720,270 is: 993,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,529.29 : 1,706,428.17 = 720,270 : x
  2. Step 2: Convert to fraction form
    1,236,529.29/1,706,428.17 = 720,270/x
  3. Step 3: Cross multiply
    1,236,529.29x = 1,706,428.17 × 720,270
  4. Step 4: Simplify right side
    1,236,529.29x = 1,229,089,018,005.90
  5. Step 5: Solve for x
    x = 1,229,089,018,005.90/1,236,529.29
  6. Step 6: Final answer
    x = 993,982.94

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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.