Home / 1,326,142.13-1,989,213.19-484,693.88

Finding the Fourth Proportional to 1,326,142.13, 1,989,213.19 and 484,693.88

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Solution

The fourth proportional to 1,326,142.13, 1,989,213.19 and 484,693.88 is: 727,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,142.13 : 1,989,213.19 = 484,693.88 : x
  2. Step 2: Convert to fraction form
    1,326,142.13/1,989,213.19 = 484,693.88/x
  3. Step 3: Cross multiply
    1,326,142.13x = 1,989,213.19 × 484,693.88
  4. Step 4: Simplify right side
    1,326,142.13x = 964,159,448,050.48
  5. Step 5: Solve for x
    x = 964,159,448,050.48/1,326,142.13
  6. Step 6: Final answer
    x = 727,040.81

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Double scale
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Similar ratio
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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.