Home / 1,208,490.78-1,812,785.38-498,451.16

Finding the Fourth Proportional to 1,208,490.78, 1,812,785.38 and 498,451.16

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Solution

The fourth proportional to 1,208,490.78, 1,812,785.38 and 498,451.16 is: 747,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,490.78 : 1,812,785.38 = 498,451.16 : x
  2. Step 2: Convert to fraction form
    1,208,490.78/1,812,785.38 = 498,451.16/x
  3. Step 3: Cross multiply
    1,208,490.78x = 1,812,785.38 × 498,451.16
  4. Step 4: Simplify right side
    1,208,490.78x = 903,584,975,492.04
  5. Step 5: Solve for x
    x = 903,584,975,492.04/1,208,490.78
  6. Step 6: Final answer
    x = 747,697.04

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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.