Home / 1,300,143.15-1,794,187.26-727,182.90

Finding the Fourth Proportional to 1,300,143.15, 1,794,187.26 and 727,182.90

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Solution

The fourth proportional to 1,300,143.15, 1,794,187.26 and 727,182.90 is: 1,003,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,143.15 : 1,794,187.26 = 727,182.90 : x
  2. Step 2: Convert to fraction form
    1,300,143.15/1,794,187.26 = 727,182.90/x
  3. Step 3: Cross multiply
    1,300,143.15x = 1,794,187.26 × 727,182.90
  4. Step 4: Simplify right side
    1,300,143.15x = 1,304,702,294,869.85
  5. Step 5: Solve for x
    x = 1,304,702,294,869.85/1,300,143.15
  6. Step 6: Final answer
    x = 1,003,506.65

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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.