Home / 1,080,860.40-1,621,290.60-292,892.40

Finding the Fourth Proportional to 1,080,860.40, 1,621,290.60 and 292,892.40

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Solution

The fourth proportional to 1,080,860.40, 1,621,290.60 and 292,892.40 is: 439,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,860.40 : 1,621,290.60 = 292,892.40 : x
  2. Step 2: Convert to fraction form
    1,080,860.40/1,621,290.60 = 292,892.40/x
  3. Step 3: Cross multiply
    1,080,860.40x = 1,621,290.60 × 292,892.40
  4. Step 4: Simplify right side
    1,080,860.40x = 474,863,694,931.44
  5. Step 5: Solve for x
    x = 474,863,694,931.44/1,080,860.40
  6. Step 6: Final answer
    x = 439,338.60

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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.