Home / 1,425,084.28-1,966,577.58-813,225.88

Finding the Fourth Proportional to 1,425,084.28, 1,966,577.58 and 813,225.88

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Solution

The fourth proportional to 1,425,084.28, 1,966,577.58 and 813,225.88 is: 1,122,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,084.28 : 1,966,577.58 = 813,225.88 : x
  2. Step 2: Convert to fraction form
    1,425,084.28/1,966,577.58 = 813,225.88/x
  3. Step 3: Cross multiply
    1,425,084.28x = 1,966,577.58 × 813,225.88
  4. Step 4: Simplify right side
    1,425,084.28x = 1,599,271,783,083.77
  5. Step 5: Solve for x
    x = 1,599,271,783,083.77/1,425,084.28
  6. Step 6: Final answer
    x = 1,122,229.62

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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.