Home / 1,012,696.94-1,519,793.04-480,219.76

Finding the Fourth Proportional to 1,012,696.94, 1,519,793.04 and 480,219.76

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Solution

The fourth proportional to 1,012,696.94, 1,519,793.04 and 480,219.76 is: 720,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,696.94 : 1,519,793.04 = 480,219.76 : x
  2. Step 2: Convert to fraction form
    1,012,696.94/1,519,793.04 = 480,219.76/x
  3. Step 3: Cross multiply
    1,012,696.94x = 1,519,793.04 × 480,219.76
  4. Step 4: Simplify right side
    1,012,696.94x = 729,834,648,918.47
  5. Step 5: Solve for x
    x = 729,834,648,918.47/1,012,696.94
  6. Step 6: Final answer
    x = 720,684.17

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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.