Home / 1,532,855.64-2,115,341.31-888,649.26

Finding the Fourth Proportional to 1,532,855.64, 2,115,341.31 and 888,649.26

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Solution

The fourth proportional to 1,532,855.64, 2,115,341.31 and 888,649.26 is: 1,226,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,855.64 : 2,115,341.31 = 888,649.26 : x
  2. Step 2: Convert to fraction form
    1,532,855.64/2,115,341.31 = 888,649.26/x
  3. Step 3: Cross multiply
    1,532,855.64x = 2,115,341.31 × 888,649.26
  4. Step 4: Simplify right side
    1,532,855.64x = 1,879,796,489,778.93
  5. Step 5: Solve for x
    x = 1,879,796,489,778.93/1,532,855.64
  6. Step 6: Final answer
    x = 1,226,336.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.