Home / 1,041,229.80-1,561,844.70-620,980.20

Finding the Fourth Proportional to 1,041,229.80, 1,561,844.70 and 620,980.20

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Solution

The fourth proportional to 1,041,229.80, 1,561,844.70 and 620,980.20 is: 931,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,229.80 : 1,561,844.70 = 620,980.20 : x
  2. Step 2: Convert to fraction form
    1,041,229.80/1,561,844.70 = 620,980.20/x
  3. Step 3: Cross multiply
    1,041,229.80x = 1,561,844.70 × 620,980.20
  4. Step 4: Simplify right side
    1,041,229.80x = 969,874,634,174.94
  5. Step 5: Solve for x
    x = 969,874,634,174.94/1,041,229.80
  6. Step 6: Final answer
    x = 931,470.30

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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.