Home / 1,389,264.40-2,083,896.60-547,706.80

Finding the Fourth Proportional to 1,389,264.40, 2,083,896.60 and 547,706.80

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Solution

The fourth proportional to 1,389,264.40, 2,083,896.60 and 547,706.80 is: 821,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,264.40 : 2,083,896.60 = 547,706.80 : x
  2. Step 2: Convert to fraction form
    1,389,264.40/2,083,896.60 = 547,706.80/x
  3. Step 3: Cross multiply
    1,389,264.40x = 2,083,896.60 × 547,706.80
  4. Step 4: Simplify right side
    1,389,264.40x = 1,141,364,338,316.88
  5. Step 5: Solve for x
    x = 1,141,364,338,316.88/1,389,264.40
  6. Step 6: Final answer
    x = 821,560.20

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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.