Home / 1,512,248.40-2,268,815.45-447,318.81

Finding the Fourth Proportional to 1,512,248.40, 2,268,815.45 and 447,318.81

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Solution

The fourth proportional to 1,512,248.40, 2,268,815.45 and 447,318.81 is: 671,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,248.40 : 2,268,815.45 = 447,318.81 : x
  2. Step 2: Convert to fraction form
    1,512,248.40/2,268,815.45 = 447,318.81/x
  3. Step 3: Cross multiply
    1,512,248.40x = 2,268,815.45 × 447,318.81
  4. Step 4: Simplify right side
    1,512,248.40x = 1,014,883,824,967.02
  5. Step 5: Solve for x
    x = 1,014,883,824,967.02/1,512,248.40
  6. Step 6: Final answer
    x = 671,109.21

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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.