Home / 1,210,561.43-1,670,540.63-694,401.48

Finding the Fourth Proportional to 1,210,561.43, 1,670,540.63 and 694,401.48

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Solution

The fourth proportional to 1,210,561.43, 1,670,540.63 and 694,401.48 is: 958,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,561.43 : 1,670,540.63 = 694,401.48 : x
  2. Step 2: Convert to fraction form
    1,210,561.43/1,670,540.63 = 694,401.48/x
  3. Step 3: Cross multiply
    1,210,561.43x = 1,670,540.63 × 694,401.48
  4. Step 4: Simplify right side
    1,210,561.43x = 1,160,025,882,400.13
  5. Step 5: Solve for x
    x = 1,160,025,882,400.13/1,210,561.43
  6. Step 6: Final answer
    x = 958,254.46

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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.