Home / 1,478,063.54-2,216,406.38-767,900.90

Finding the Fourth Proportional to 1,478,063.54, 2,216,406.38 and 767,900.90

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Solution

The fourth proportional to 1,478,063.54, 2,216,406.38 and 767,900.90 is: 1,151,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,063.54 : 2,216,406.38 = 767,900.90 : x
  2. Step 2: Convert to fraction form
    1,478,063.54/2,216,406.38 = 767,900.90/x
  3. Step 3: Cross multiply
    1,478,063.54x = 2,216,406.38 × 767,900.90
  4. Step 4: Simplify right side
    1,478,063.54x = 1,701,980,439,046.21
  5. Step 5: Solve for x
    x = 1,701,980,439,046.21/1,478,063.54
  6. Step 6: Final answer
    x = 1,151,493.42

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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.