Home / 1,185,608.84-1,778,210.94-427,299.39

Finding the Fourth Proportional to 1,185,608.84, 1,778,210.94 and 427,299.39

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Solution

The fourth proportional to 1,185,608.84, 1,778,210.94 and 427,299.39 is: 640,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,608.84 : 1,778,210.94 = 427,299.39 : x
  2. Step 2: Convert to fraction form
    1,185,608.84/1,778,210.94 = 427,299.39/x
  3. Step 3: Cross multiply
    1,185,608.84x = 1,778,210.94 × 427,299.39
  4. Step 4: Simplify right side
    1,185,608.84x = 759,828,449,953.33
  5. Step 5: Solve for x
    x = 759,828,449,953.33/1,185,608.84
  6. Step 6: Final answer
    x = 640,876.17

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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.