Home / 1,205,209.60-1,808,531.20-457,331.20

Finding the Fourth Proportional to 1,205,209.60, 1,808,531.20 and 457,331.20

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Solution

The fourth proportional to 1,205,209.60, 1,808,531.20 and 457,331.20 is: 686,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,209.60 : 1,808,531.20 = 457,331.20 : x
  2. Step 2: Convert to fraction form
    1,205,209.60/1,808,531.20 = 457,331.20/x
  3. Step 3: Cross multiply
    1,205,209.60x = 1,808,531.20 × 457,331.20
  4. Step 4: Simplify right side
    1,205,209.60x = 827,097,743,933.44
  5. Step 5: Solve for x
    x = 827,097,743,933.44/1,205,209.60
  6. Step 6: Final answer
    x = 686,268.80

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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.