Home / 1,208,096.80-1,812,145.20-497,759.20

Finding the Fourth Proportional to 1,208,096.80, 1,812,145.20 and 497,759.20

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Solution

The fourth proportional to 1,208,096.80, 1,812,145.20 and 497,759.20 is: 746,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,096.80 : 1,812,145.20 = 497,759.20 : x
  2. Step 2: Convert to fraction form
    1,208,096.80/1,812,145.20 = 497,759.20/x
  3. Step 3: Cross multiply
    1,208,096.80x = 1,812,145.20 × 497,759.20
  4. Step 4: Simplify right side
    1,208,096.80x = 902,011,945,035.84
  5. Step 5: Solve for x
    x = 902,011,945,035.84/1,208,096.80
  6. Step 6: Final answer
    x = 746,638.80

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Double scale
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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.