Home / 1,686,277.20-2,529,391.50-424,096.32

Finding the Fourth Proportional to 1,686,277.20, 2,529,391.50 and 424,096.32

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Solution

The fourth proportional to 1,686,277.20, 2,529,391.50 and 424,096.32 is: 636,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,277.20 : 2,529,391.50 = 424,096.32 : x
  2. Step 2: Convert to fraction form
    1,686,277.20/2,529,391.50 = 424,096.32/x
  3. Step 3: Cross multiply
    1,686,277.20x = 2,529,391.50 × 424,096.32
  4. Step 4: Simplify right side
    1,686,277.20x = 1,072,705,626,989.28
  5. Step 5: Solve for x
    x = 1,072,705,626,989.28/1,686,277.20
  6. Step 6: Final answer
    x = 636,138.37

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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.