Home / 1,441,726.83-1,989,561.13-788,354.94

Finding the Fourth Proportional to 1,441,726.83, 1,989,561.13 and 788,354.94

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Solution

The fourth proportional to 1,441,726.83, 1,989,561.13 and 788,354.94 is: 1,087,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,726.83 : 1,989,561.13 = 788,354.94 : x
  2. Step 2: Convert to fraction form
    1,441,726.83/1,989,561.13 = 788,354.94/x
  3. Step 3: Cross multiply
    1,441,726.83x = 1,989,561.13 × 788,354.94
  4. Step 4: Simplify right side
    1,441,726.83x = 1,568,480,345,267.48
  5. Step 5: Solve for x
    x = 1,568,480,345,267.48/1,441,726.83
  6. Step 6: Final answer
    x = 1,087,917.84

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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.