Home / 1,389,376.80-2,083,546.80-547,754.40

Finding the Fourth Proportional to 1,389,376.80, 2,083,546.80 and 547,754.40

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Solution

The fourth proportional to 1,389,376.80, 2,083,546.80 and 547,754.40 is: 821,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,376.80 : 2,083,546.80 = 547,754.40 : x
  2. Step 2: Convert to fraction form
    1,389,376.80/2,083,546.80 = 547,754.40/x
  3. Step 3: Cross multiply
    1,389,376.80x = 2,083,546.80 × 547,754.40
  4. Step 4: Simplify right side
    1,389,376.80x = 1,141,271,927,305.92
  5. Step 5: Solve for x
    x = 1,141,271,927,305.92/1,389,376.80
  6. Step 6: Final answer
    x = 821,427.22

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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.