Home / 1,780,786.79-2,457,487.84-964,983.33

Finding the Fourth Proportional to 1,780,786.79, 2,457,487.84 and 964,983.33

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Solution

The fourth proportional to 1,780,786.79, 2,457,487.84 and 964,983.33 is: 1,331,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,786.79 : 2,457,487.84 = 964,983.33 : x
  2. Step 2: Convert to fraction form
    1,780,786.79/2,457,487.84 = 964,983.33/x
  3. Step 3: Cross multiply
    1,780,786.79x = 2,457,487.84 × 964,983.33
  4. Step 4: Simplify right side
    1,780,786.79x = 2,371,434,799,277.71
  5. Step 5: Solve for x
    x = 2,371,434,799,277.71/1,780,786.79
  6. Step 6: Final answer
    x = 1,331,678.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.