Home / 1,350,512.16-2,022,340.08-810,428.88

Finding the Fourth Proportional to 1,350,512.16, 2,022,340.08 and 810,428.88

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Solution

The fourth proportional to 1,350,512.16, 2,022,340.08 and 810,428.88 is: 1,213,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,512.16 : 2,022,340.08 = 810,428.88 : x
  2. Step 2: Convert to fraction form
    1,350,512.16/2,022,340.08 = 810,428.88/x
  3. Step 3: Cross multiply
    1,350,512.16x = 2,022,340.08 × 810,428.88
  4. Step 4: Simplify right side
    1,350,512.16x = 1,638,962,806,013.51
  5. Step 5: Solve for x
    x = 1,638,962,806,013.51/1,350,512.16
  6. Step 6: Final answer
    x = 1,213,586.12

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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.