Home / 1,027,679.80-1,541,519.70-985,689.40

Finding the Fourth Proportional to 1,027,679.80, 1,541,519.70 and 985,689.40

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Solution

The fourth proportional to 1,027,679.80, 1,541,519.70 and 985,689.40 is: 1,478,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,679.80 : 1,541,519.70 = 985,689.40 : x
  2. Step 2: Convert to fraction form
    1,027,679.80/1,541,519.70 = 985,689.40/x
  3. Step 3: Cross multiply
    1,027,679.80x = 1,541,519.70 × 985,689.40
  4. Step 4: Simplify right side
    1,027,679.80x = 1,519,459,628,181.18
  5. Step 5: Solve for x
    x = 1,519,459,628,181.18/1,027,679.80
  6. Step 6: Final answer
    x = 1,478,534.10

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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.