Home / 1,310,824.77-1,966,448.57-387,674.25

Finding the Fourth Proportional to 1,310,824.77, 1,966,448.57 and 387,674.25

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Solution

The fourth proportional to 1,310,824.77, 1,966,448.57 and 387,674.25 is: 581,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,824.77 : 1,966,448.57 = 387,674.25 : x
  2. Step 2: Convert to fraction form
    1,310,824.77/1,966,448.57 = 387,674.25/x
  3. Step 3: Cross multiply
    1,310,824.77x = 1,966,448.57 × 387,674.25
  4. Step 4: Simplify right side
    1,310,824.77x = 762,341,472,599.95
  5. Step 5: Solve for x
    x = 762,341,472,599.95/1,310,824.77
  6. Step 6: Final answer
    x = 581,573.90

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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.