Home / 1,187,137.86-1,780,707.54-833,729.64

Finding the Fourth Proportional to 1,187,137.86, 1,780,707.54 and 833,729.64

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Solution

The fourth proportional to 1,187,137.86, 1,780,707.54 and 833,729.64 is: 1,250,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,137.86 : 1,780,707.54 = 833,729.64 : x
  2. Step 2: Convert to fraction form
    1,187,137.86/1,780,707.54 = 833,729.64/x
  3. Step 3: Cross multiply
    1,187,137.86x = 1,780,707.54 × 833,729.64
  4. Step 4: Simplify right side
    1,187,137.86x = 1,484,628,656,269.49
  5. Step 5: Solve for x
    x = 1,484,628,656,269.49/1,187,137.86
  6. Step 6: Final answer
    x = 1,250,594.99

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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.