Home / 1,665,690.90-2,298,650.85-901,744.26

Finding the Fourth Proportional to 1,665,690.90, 2,298,650.85 and 901,744.26

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Solution

The fourth proportional to 1,665,690.90, 2,298,650.85 and 901,744.26 is: 1,244,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,690.90 : 2,298,650.85 = 901,744.26 : x
  2. Step 2: Convert to fraction form
    1,665,690.90/2,298,650.85 = 901,744.26/x
  3. Step 3: Cross multiply
    1,665,690.90x = 2,298,650.85 × 901,744.26
  4. Step 4: Simplify right side
    1,665,690.90x = 2,072,795,209,731.62
  5. Step 5: Solve for x
    x = 2,072,795,209,731.62/1,665,690.90
  6. Step 6: Final answer
    x = 1,244,405.68

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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.