Home / 1,665,466.12-2,298,384.90-1,021,241.32

Finding the Fourth Proportional to 1,665,466.12, 2,298,384.90 and 1,021,241.32

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Solution

The fourth proportional to 1,665,466.12, 2,298,384.90 and 1,021,241.32 is: 1,409,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,466.12 : 2,298,384.90 = 1,021,241.32 : x
  2. Step 2: Convert to fraction form
    1,665,466.12/2,298,384.90 = 1,021,241.32/x
  3. Step 3: Cross multiply
    1,665,466.12x = 2,298,384.90 × 1,021,241.32
  4. Step 4: Simplify right side
    1,665,466.12x = 2,347,205,629,144.07
  5. Step 5: Solve for x
    x = 2,347,205,629,144.07/1,665,466.12
  6. Step 6: Final answer
    x = 1,409,338.56

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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.