Home / 1,457,608.92-2,011,495.05-813,028.56

Finding the Fourth Proportional to 1,457,608.92, 2,011,495.05 and 813,028.56

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Solution

The fourth proportional to 1,457,608.92, 2,011,495.05 and 813,028.56 is: 1,121,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,608.92 : 2,011,495.05 = 813,028.56 : x
  2. Step 2: Convert to fraction form
    1,457,608.92/2,011,495.05 = 813,028.56/x
  3. Step 3: Cross multiply
    1,457,608.92x = 2,011,495.05 × 813,028.56
  4. Step 4: Simplify right side
    1,457,608.92x = 1,635,402,923,948.63
  5. Step 5: Solve for x
    x = 1,635,402,923,948.63/1,457,608.92
  6. Step 6: Final answer
    x = 1,121,976.48

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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.