Home / 1,248,459.28-1,872,704.81-438,811.02

Finding the Fourth Proportional to 1,248,459.28, 1,872,704.81 and 438,811.02

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Solution

The fourth proportional to 1,248,459.28, 1,872,704.81 and 438,811.02 is: 658,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,459.28 : 1,872,704.81 = 438,811.02 : x
  2. Step 2: Convert to fraction form
    1,248,459.28/1,872,704.81 = 438,811.02/x
  3. Step 3: Cross multiply
    1,248,459.28x = 1,872,704.81 × 438,811.02
  4. Step 4: Simplify right side
    1,248,459.28x = 821,763,508,932.03
  5. Step 5: Solve for x
    x = 821,763,508,932.03/1,248,459.28
  6. Step 6: Final answer
    x = 658,222.12

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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.