Home / 1,402,517.20-2,103,257.40-455,918.80

Finding the Fourth Proportional to 1,402,517.20, 2,103,257.40 and 455,918.80

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Solution

The fourth proportional to 1,402,517.20, 2,103,257.40 and 455,918.80 is: 683,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,517.20 : 2,103,257.40 = 455,918.80 : x
  2. Step 2: Convert to fraction form
    1,402,517.20/2,103,257.40 = 455,918.80/x
  3. Step 3: Cross multiply
    1,402,517.20x = 2,103,257.40 × 455,918.80
  4. Step 4: Simplify right side
    1,402,517.20x = 958,914,589,899.12
  5. Step 5: Solve for x
    x = 958,914,589,899.12/1,402,517.20
  6. Step 6: Final answer
    x = 683,709.68

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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.