Home / 1,258,550.40-1,883,678.40-976,540.80

Finding the Fourth Proportional to 1,258,550.40, 1,883,678.40 and 976,540.80

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Solution

The fourth proportional to 1,258,550.40, 1,883,678.40 and 976,540.80 is: 1,461,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,550.40 : 1,883,678.40 = 976,540.80 : x
  2. Step 2: Convert to fraction form
    1,258,550.40/1,883,678.40 = 976,540.80/x
  3. Step 3: Cross multiply
    1,258,550.40x = 1,883,678.40 × 976,540.80
  4. Step 4: Simplify right side
    1,258,550.40x = 1,839,488,811,678.72
  5. Step 5: Solve for x
    x = 1,839,488,811,678.72/1,258,550.40
  6. Step 6: Final answer
    x = 1,461,593.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.