Home / 1,922,457.12-2,883,882.84-725,386.68

Finding the Fourth Proportional to 1,922,457.12, 2,883,882.84 and 725,386.68

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Solution

The fourth proportional to 1,922,457.12, 2,883,882.84 and 725,386.68 is: 1,088,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,457.12 : 2,883,882.84 = 725,386.68 : x
  2. Step 2: Convert to fraction form
    1,922,457.12/2,883,882.84 = 725,386.68/x
  3. Step 3: Cross multiply
    1,922,457.12x = 2,883,882.84 × 725,386.68
  4. Step 4: Simplify right side
    1,922,457.12x = 2,091,930,198,816.57
  5. Step 5: Solve for x
    x = 2,091,930,198,816.57/1,922,457.12
  6. Step 6: Final answer
    x = 1,088,154.41

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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.