Home / 1,120,205.58-1,678,733.73-487,793.22

Finding the Fourth Proportional to 1,120,205.58, 1,678,733.73 and 487,793.22

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Solution

The fourth proportional to 1,120,205.58, 1,678,733.73 and 487,793.22 is: 731,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,205.58 : 1,678,733.73 = 487,793.22 : x
  2. Step 2: Convert to fraction form
    1,120,205.58/1,678,733.73 = 487,793.22/x
  3. Step 3: Cross multiply
    1,120,205.58x = 1,678,733.73 × 487,793.22
  4. Step 4: Simplify right side
    1,120,205.58x = 818,874,931,679.31
  5. Step 5: Solve for x
    x = 818,874,931,679.31/1,120,205.58
  6. Step 6: Final answer
    x = 731,004.15

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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.