Home / 1,145,515.46-1,580,455.50-661,904.06

Finding the Fourth Proportional to 1,145,515.46, 1,580,455.50 and 661,904.06

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Solution

The fourth proportional to 1,145,515.46, 1,580,455.50 and 661,904.06 is: 913,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,515.46 : 1,580,455.50 = 661,904.06 : x
  2. Step 2: Convert to fraction form
    1,145,515.46/1,580,455.50 = 661,904.06/x
  3. Step 3: Cross multiply
    1,145,515.46x = 1,580,455.50 × 661,904.06
  4. Step 4: Simplify right side
    1,145,515.46x = 1,046,109,912,099.33
  5. Step 5: Solve for x
    x = 1,046,109,912,099.33/1,145,515.46
  6. Step 6: Final answer
    x = 913,221.99

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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.