Home / 1,080,116.40-1,617,064.20-660,212.40

Finding the Fourth Proportional to 1,080,116.40, 1,617,064.20 and 660,212.40

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Solution

The fourth proportional to 1,080,116.40, 1,617,064.20 and 660,212.40 is: 988,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,116.40 : 1,617,064.20 = 660,212.40 : x
  2. Step 2: Convert to fraction form
    1,080,116.40/1,617,064.20 = 660,212.40/x
  3. Step 3: Cross multiply
    1,080,116.40x = 1,617,064.20 × 660,212.40
  4. Step 4: Simplify right side
    1,080,116.40x = 1,067,605,836,436.08
  5. Step 5: Solve for x
    x = 1,067,605,836,436.08/1,080,116.40
  6. Step 6: Final answer
    x = 988,417.39

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1.5x scale

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.