Home / 1,088,113.20-1,632,169.80-645,745.20

Finding the Fourth Proportional to 1,088,113.20, 1,632,169.80 and 645,745.20

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Solution

The fourth proportional to 1,088,113.20, 1,632,169.80 and 645,745.20 is: 968,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,113.20 : 1,632,169.80 = 645,745.20 : x
  2. Step 2: Convert to fraction form
    1,088,113.20/1,632,169.80 = 645,745.20/x
  3. Step 3: Cross multiply
    1,088,113.20x = 1,632,169.80 × 645,745.20
  4. Step 4: Simplify right side
    1,088,113.20x = 1,053,965,813,934.96
  5. Step 5: Solve for x
    x = 1,053,965,813,934.96/1,088,113.20
  6. Step 6: Final answer
    x = 968,617.80

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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.