Home / 1,103,080.20-1,653,443.10-628,744.20

Finding the Fourth Proportional to 1,103,080.20, 1,653,443.10 and 628,744.20

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Solution

The fourth proportional to 1,103,080.20, 1,653,443.10 and 628,744.20 is: 942,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,080.20 : 1,653,443.10 = 628,744.20 : x
  2. Step 2: Convert to fraction form
    1,103,080.20/1,653,443.10 = 628,744.20/x
  3. Step 3: Cross multiply
    1,103,080.20x = 1,653,443.10 × 628,744.20
  4. Step 4: Simplify right side
    1,103,080.20x = 1,039,592,759,155.02
  5. Step 5: Solve for x
    x = 1,039,592,759,155.02/1,103,080.20
  6. Step 6: Final answer
    x = 942,445.31

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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.