Home / 1,225,446.60-1,690,997.83-709,097.49

Finding the Fourth Proportional to 1,225,446.60, 1,690,997.83 and 709,097.49

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Solution

The fourth proportional to 1,225,446.60, 1,690,997.83 and 709,097.49 is: 978,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,446.60 : 1,690,997.83 = 709,097.49 : x
  2. Step 2: Convert to fraction form
    1,225,446.60/1,690,997.83 = 709,097.49/x
  3. Step 3: Cross multiply
    1,225,446.60x = 1,690,997.83 × 709,097.49
  4. Step 4: Simplify right side
    1,225,446.60x = 1,199,082,315,075.70
  5. Step 5: Solve for x
    x = 1,199,082,315,075.70/1,225,446.60
  6. Step 6: Final answer
    x = 978,485.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.