Home / 1,086,423.05-1,499,142.20-603,008.57

Finding the Fourth Proportional to 1,086,423.05, 1,499,142.20 and 603,008.57

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Solution

The fourth proportional to 1,086,423.05, 1,499,142.20 and 603,008.57 is: 832,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,423.05 : 1,499,142.20 = 603,008.57 : x
  2. Step 2: Convert to fraction form
    1,086,423.05/1,499,142.20 = 603,008.57/x
  3. Step 3: Cross multiply
    1,086,423.05x = 1,499,142.20 × 603,008.57
  4. Step 4: Simplify right side
    1,086,423.05x = 903,995,583,737.90
  5. Step 5: Solve for x
    x = 903,995,583,737.90/1,086,423.05
  6. Step 6: Final answer
    x = 832,084.32

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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.