Home / 1,480,333.86-2,220,053.81-769,974.39

Finding the Fourth Proportional to 1,480,333.86, 2,220,053.81 and 769,974.39

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Solution

The fourth proportional to 1,480,333.86, 2,220,053.81 and 769,974.39 is: 1,154,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,333.86 : 2,220,053.81 = 769,974.39 : x
  2. Step 2: Convert to fraction form
    1,480,333.86/2,220,053.81 = 769,974.39/x
  3. Step 3: Cross multiply
    1,480,333.86x = 2,220,053.81 × 769,974.39
  4. Step 4: Simplify right side
    1,480,333.86x = 1,709,384,574,272.05
  5. Step 5: Solve for x
    x = 1,709,384,574,272.05/1,480,333.86
  6. Step 6: Final answer
    x = 1,154,729.09

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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.