Home / 1,008,046.80-1,391,180.04-555,339.60

Finding the Fourth Proportional to 1,008,046.80, 1,391,180.04 and 555,339.60

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Solution

The fourth proportional to 1,008,046.80, 1,391,180.04 and 555,339.60 is: 766,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,046.80 : 1,391,180.04 = 555,339.60 : x
  2. Step 2: Convert to fraction form
    1,008,046.80/1,391,180.04 = 555,339.60/x
  3. Step 3: Cross multiply
    1,008,046.80x = 1,391,180.04 × 555,339.60
  4. Step 4: Simplify right side
    1,008,046.80x = 772,577,366,941.58
  5. Step 5: Solve for x
    x = 772,577,366,941.58/1,008,046.80
  6. Step 6: Final answer
    x = 766,410.22

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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.