Home / 1,025,343.70-1,538,015.55-277,389.70

Finding the Fourth Proportional to 1,025,343.70, 1,538,015.55 and 277,389.70

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Solution

The fourth proportional to 1,025,343.70, 1,538,015.55 and 277,389.70 is: 416,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,343.70 : 1,538,015.55 = 277,389.70 : x
  2. Step 2: Convert to fraction form
    1,025,343.70/1,538,015.55 = 277,389.70/x
  3. Step 3: Cross multiply
    1,025,343.70x = 1,538,015.55 × 277,389.70
  4. Step 4: Simplify right side
    1,025,343.70x = 426,629,672,009.84
  5. Step 5: Solve for x
    x = 426,629,672,009.84/1,025,343.70
  6. Step 6: Final answer
    x = 416,084.55

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Double scale
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Similar ratio
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1.5x scale

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.