Home / 1,008,374.60-1,512,561.90-447,465.80

Finding the Fourth Proportional to 1,008,374.60, 1,512,561.90 and 447,465.80

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Solution

The fourth proportional to 1,008,374.60, 1,512,561.90 and 447,465.80 is: 671,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,374.60 : 1,512,561.90 = 447,465.80 : x
  2. Step 2: Convert to fraction form
    1,008,374.60/1,512,561.90 = 447,465.80/x
  3. Step 3: Cross multiply
    1,008,374.60x = 1,512,561.90 × 447,465.80
  4. Step 4: Simplify right side
    1,008,374.60x = 676,819,720,633.02
  5. Step 5: Solve for x
    x = 676,819,720,633.02/1,008,374.60
  6. Step 6: Final answer
    x = 671,198.70

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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.