Home / 1,425,130.82-1,966,660.23-813,477.34

Finding the Fourth Proportional to 1,425,130.82, 1,966,660.23 and 813,477.34

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Solution

The fourth proportional to 1,425,130.82, 1,966,660.23 and 813,477.34 is: 1,122,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,130.82 : 1,966,660.23 = 813,477.34 : x
  2. Step 2: Convert to fraction form
    1,425,130.82/1,966,660.23 = 813,477.34/x
  3. Step 3: Cross multiply
    1,425,130.82x = 1,966,660.23 × 813,477.34
  4. Step 4: Simplify right side
    1,425,130.82x = 1,599,833,538,093.05
  5. Step 5: Solve for x
    x = 1,599,833,538,093.05/1,425,130.82
  6. Step 6: Final answer
    x = 1,122,587.15

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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.