Home / 1,180,695.86-1,629,341.48-657,401.43

Finding the Fourth Proportional to 1,180,695.86, 1,629,341.48 and 657,401.43

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Solution

The fourth proportional to 1,180,695.86, 1,629,341.48 and 657,401.43 is: 907,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,695.86 : 1,629,341.48 = 657,401.43 : x
  2. Step 2: Convert to fraction form
    1,180,695.86/1,629,341.48 = 657,401.43/x
  3. Step 3: Cross multiply
    1,180,695.86x = 1,629,341.48 × 657,401.43
  4. Step 4: Simplify right side
    1,180,695.86x = 1,071,131,422,965.97
  5. Step 5: Solve for x
    x = 1,071,131,422,965.97/1,180,695.86
  6. Step 6: Final answer
    x = 907,203.51

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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.