Home / 1,555,350.30-2,333,025.45-1,289,629.80

Finding the Fourth Proportional to 1,555,350.30, 2,333,025.45 and 1,289,629.80

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Solution

The fourth proportional to 1,555,350.30, 2,333,025.45 and 1,289,629.80 is: 1,934,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,350.30 : 2,333,025.45 = 1,289,629.80 : x
  2. Step 2: Convert to fraction form
    1,555,350.30/2,333,025.45 = 1,289,629.80/x
  3. Step 3: Cross multiply
    1,555,350.30x = 2,333,025.45 × 1,289,629.80
  4. Step 4: Simplify right side
    1,555,350.30x = 3,008,739,144,478.41
  5. Step 5: Solve for x
    x = 3,008,739,144,478.41/1,555,350.30
  6. Step 6: Final answer
    x = 1,934,444.70

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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.