Home / 1,216,143-1,824,509.79-374,694.75

Finding the Fourth Proportional to 1,216,143, 1,824,509.79 and 374,694.75

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Solution

The fourth proportional to 1,216,143, 1,824,509.79 and 374,694.75 is: 562,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,143 : 1,824,509.79 = 374,694.75 : x
  2. Step 2: Convert to fraction form
    1,216,143/1,824,509.79 = 374,694.75/x
  3. Step 3: Cross multiply
    1,216,143x = 1,824,509.79 × 374,694.75
  4. Step 4: Simplify right side
    1,216,143x = 683,634,239,636.60
  5. Step 5: Solve for x
    x = 683,634,239,636.60/1,216,143
  6. Step 6: Final answer
    x = 562,133.10

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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.