Home / 1,106,742.80-1,660,891.80-476,109.20

Finding the Fourth Proportional to 1,106,742.80, 1,660,891.80 and 476,109.20

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Solution

The fourth proportional to 1,106,742.80, 1,660,891.80 and 476,109.20 is: 714,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,742.80 : 1,660,891.80 = 476,109.20 : x
  2. Step 2: Convert to fraction form
    1,106,742.80/1,660,891.80 = 476,109.20/x
  3. Step 3: Cross multiply
    1,106,742.80x = 1,660,891.80 × 476,109.20
  4. Step 4: Simplify right side
    1,106,742.80x = 790,765,866,184.56
  5. Step 5: Solve for x
    x = 790,765,866,184.56/1,106,742.80
  6. Step 6: Final answer
    x = 714,498.32

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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.