Home / 1,103,051.20-1,653,399.60-628,715.20

Finding the Fourth Proportional to 1,103,051.20, 1,653,399.60 and 628,715.20

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Solution

The fourth proportional to 1,103,051.20, 1,653,399.60 and 628,715.20 is: 942,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,051.20 : 1,653,399.60 = 628,715.20 : x
  2. Step 2: Convert to fraction form
    1,103,051.20/1,653,399.60 = 628,715.20/x
  3. Step 3: Cross multiply
    1,103,051.20x = 1,653,399.60 × 628,715.20
  4. Step 4: Simplify right side
    1,103,051.20x = 1,039,517,460,193.92
  5. Step 5: Solve for x
    x = 1,039,517,460,193.92/1,103,051.20
  6. Step 6: Final answer
    x = 942,401.82

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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.