Home / 1,677,485.53-2,516,228.31-415,313.16

Finding the Fourth Proportional to 1,677,485.53, 2,516,228.31 and 415,313.16

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Solution

The fourth proportional to 1,677,485.53, 2,516,228.31 and 415,313.16 is: 622,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,485.53 : 2,516,228.31 = 415,313.16 : x
  2. Step 2: Convert to fraction form
    1,677,485.53/2,516,228.31 = 415,313.16/x
  3. Step 3: Cross multiply
    1,677,485.53x = 2,516,228.31 × 415,313.16
  4. Step 4: Simplify right side
    1,677,485.53x = 1,045,022,722,829.13
  5. Step 5: Solve for x
    x = 1,045,022,722,829.13/1,677,485.53
  6. Step 6: Final answer
    x = 622,969.74

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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.