Home / 1,489,617.80-2,234,426.70-957,739.40

Finding the Fourth Proportional to 1,489,617.80, 2,234,426.70 and 957,739.40

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Solution

The fourth proportional to 1,489,617.80, 2,234,426.70 and 957,739.40 is: 1,436,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,617.80 : 2,234,426.70 = 957,739.40 : x
  2. Step 2: Convert to fraction form
    1,489,617.80/2,234,426.70 = 957,739.40/x
  3. Step 3: Cross multiply
    1,489,617.80x = 2,234,426.70 × 957,739.40
  4. Step 4: Simplify right side
    1,489,617.80x = 2,139,998,487,001.98
  5. Step 5: Solve for x
    x = 2,139,998,487,001.98/1,489,617.80
  6. Step 6: Final answer
    x = 1,436,609.10

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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.