Home / 1,586,315.23-2,188,884.03-907,120.51

Finding the Fourth Proportional to 1,586,315.23, 2,188,884.03 and 907,120.51

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Solution

The fourth proportional to 1,586,315.23, 2,188,884.03 and 907,120.51 is: 1,251,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,315.23 : 2,188,884.03 = 907,120.51 : x
  2. Step 2: Convert to fraction form
    1,586,315.23/2,188,884.03 = 907,120.51/x
  3. Step 3: Cross multiply
    1,586,315.23x = 2,188,884.03 × 907,120.51
  4. Step 4: Simplify right side
    1,586,315.23x = 1,985,581,588,750.54
  5. Step 5: Solve for x
    x = 1,985,581,588,750.54/1,586,315.23
  6. Step 6: Final answer
    x = 1,251,694.21

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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.