Home / 1,088,110.20-1,632,165.30-645,742.20

Finding the Fourth Proportional to 1,088,110.20, 1,632,165.30 and 645,742.20

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Solution

The fourth proportional to 1,088,110.20, 1,632,165.30 and 645,742.20 is: 968,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,110.20 : 1,632,165.30 = 645,742.20 : x
  2. Step 2: Convert to fraction form
    1,088,110.20/1,632,165.30 = 645,742.20/x
  3. Step 3: Cross multiply
    1,088,110.20x = 1,632,165.30 × 645,742.20
  4. Step 4: Simplify right side
    1,088,110.20x = 1,053,958,011,585.66
  5. Step 5: Solve for x
    x = 1,053,958,011,585.66/1,088,110.20
  6. Step 6: Final answer
    x = 968,613.30

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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.