Home / 1,196,191.77-1,649,490.57-787,771.95

Finding the Fourth Proportional to 1,196,191.77, 1,649,490.57 and 787,771.95

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Solution

The fourth proportional to 1,196,191.77, 1,649,490.57 and 787,771.95 is: 1,086,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,191.77 : 1,649,490.57 = 787,771.95 : x
  2. Step 2: Convert to fraction form
    1,196,191.77/1,649,490.57 = 787,771.95/x
  3. Step 3: Cross multiply
    1,196,191.77x = 1,649,490.57 × 787,771.95
  4. Step 4: Simplify right side
    1,196,191.77x = 1,299,422,402,835.51
  5. Step 5: Solve for x
    x = 1,299,422,402,835.51/1,196,191.77
  6. Step 6: Final answer
    x = 1,086,299.40

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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.