Home / 1,300,140.30-1,794,183.80-727,180.50

Finding the Fourth Proportional to 1,300,140.30, 1,794,183.80 and 727,180.50

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Solution

The fourth proportional to 1,300,140.30, 1,794,183.80 and 727,180.50 is: 1,003,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,140.30 : 1,794,183.80 = 727,180.50 : x
  2. Step 2: Convert to fraction form
    1,300,140.30/1,794,183.80 = 727,180.50/x
  3. Step 3: Cross multiply
    1,300,140.30x = 1,794,183.80 × 727,180.50
  4. Step 4: Simplify right side
    1,300,140.30x = 1,304,695,472,775.90
  5. Step 5: Solve for x
    x = 1,304,695,472,775.90/1,300,140.30
  6. Step 6: Final answer
    x = 1,003,503.60

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1.5x scale

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.