Home / 1,360,183.78-1,877,023.29-787,212.46

Finding the Fourth Proportional to 1,360,183.78, 1,877,023.29 and 787,212.46

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Solution

The fourth proportional to 1,360,183.78, 1,877,023.29 and 787,212.46 is: 1,086,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,183.78 : 1,877,023.29 = 787,212.46 : x
  2. Step 2: Convert to fraction form
    1,360,183.78/1,877,023.29 = 787,212.46/x
  3. Step 3: Cross multiply
    1,360,183.78x = 1,877,023.29 × 787,212.46
  4. Step 4: Simplify right side
    1,360,183.78x = 1,477,616,121,598.19
  5. Step 5: Solve for x
    x = 1,477,616,121,598.19/1,360,183.78
  6. Step 6: Final answer
    x = 1,086,335.64

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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.