Home / 1,219,759.86-1,829,501.30-321,271.90

Finding the Fourth Proportional to 1,219,759.86, 1,829,501.30 and 321,271.90

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Solution

The fourth proportional to 1,219,759.86, 1,829,501.30 and 321,271.90 is: 481,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,759.86 : 1,829,501.30 = 321,271.90 : x
  2. Step 2: Convert to fraction form
    1,219,759.86/1,829,501.30 = 321,271.90/x
  3. Step 3: Cross multiply
    1,219,759.86x = 1,829,501.30 × 321,271.90
  4. Step 4: Simplify right side
    1,219,759.86x = 587,767,358,703.47
  5. Step 5: Solve for x
    x = 587,767,358,703.47/1,219,759.86
  6. Step 6: Final answer
    x = 481,871.37

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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.