Home / 1,260,115.38-1,890,362.61-406,901.07

Finding the Fourth Proportional to 1,260,115.38, 1,890,362.61 and 406,901.07

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Solution

The fourth proportional to 1,260,115.38, 1,890,362.61 and 406,901.07 is: 610,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,115.38 : 1,890,362.61 = 406,901.07 : x
  2. Step 2: Convert to fraction form
    1,260,115.38/1,890,362.61 = 406,901.07/x
  3. Step 3: Cross multiply
    1,260,115.38x = 1,890,362.61 × 406,901.07
  4. Step 4: Simplify right side
    1,260,115.38x = 769,190,559,245.18
  5. Step 5: Solve for x
    x = 769,190,559,245.18/1,260,115.38
  6. Step 6: Final answer
    x = 610,412.80

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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.