Home / 1,441,726.34-1,989,560.45-788,354.44

Finding the Fourth Proportional to 1,441,726.34, 1,989,560.45 and 788,354.44

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Solution

The fourth proportional to 1,441,726.34, 1,989,560.45 and 788,354.44 is: 1,087,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,726.34 : 1,989,560.45 = 788,354.44 : x
  2. Step 2: Convert to fraction form
    1,441,726.34/1,989,560.45 = 788,354.44/x
  3. Step 3: Cross multiply
    1,441,726.34x = 1,989,560.45 × 788,354.44
  4. Step 4: Simplify right side
    1,441,726.34x = 1,568,478,810,464.13
  5. Step 5: Solve for x
    x = 1,568,478,810,464.13/1,441,726.34
  6. Step 6: Final answer
    x = 1,087,917.15

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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.