Home / 1,628,402.20-2,247,154.05-903,265.90

Finding the Fourth Proportional to 1,628,402.20, 2,247,154.05 and 903,265.90

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Solution

The fourth proportional to 1,628,402.20, 2,247,154.05 and 903,265.90 is: 1,246,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,402.20 : 2,247,154.05 = 903,265.90 : x
  2. Step 2: Convert to fraction form
    1,628,402.20/2,247,154.05 = 903,265.90/x
  3. Step 3: Cross multiply
    1,628,402.20x = 2,247,154.05 × 903,265.90
  4. Step 4: Simplify right side
    1,628,402.20x = 2,029,777,625,411.89
  5. Step 5: Solve for x
    x = 2,029,777,625,411.89/1,628,402.20
  6. Step 6: Final answer
    x = 1,246,484.21

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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.