Home / 1,262,114.48-1,741,711.20-689,155.04

Finding the Fourth Proportional to 1,262,114.48, 1,741,711.20 and 689,155.04

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Solution

The fourth proportional to 1,262,114.48, 1,741,711.20 and 689,155.04 is: 951,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,114.48 : 1,741,711.20 = 689,155.04 : x
  2. Step 2: Convert to fraction form
    1,262,114.48/1,741,711.20 = 689,155.04/x
  3. Step 3: Cross multiply
    1,262,114.48x = 1,741,711.20 × 689,155.04
  4. Step 4: Simplify right side
    1,262,114.48x = 1,200,309,051,704.45
  5. Step 5: Solve for x
    x = 1,200,309,051,704.45/1,262,114.48
  6. Step 6: Final answer
    x = 951,030.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.