Home / 1,447,158.15-1,997,200.90-802,785.94

Finding the Fourth Proportional to 1,447,158.15, 1,997,200.90 and 802,785.94

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Solution

The fourth proportional to 1,447,158.15, 1,997,200.90 and 802,785.94 is: 1,107,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,158.15 : 1,997,200.90 = 802,785.94 : x
  2. Step 2: Convert to fraction form
    1,447,158.15/1,997,200.90 = 802,785.94/x
  3. Step 3: Cross multiply
    1,447,158.15x = 1,997,200.90 × 802,785.94
  4. Step 4: Simplify right side
    1,447,158.15x = 1,603,324,797,885.83
  5. Step 5: Solve for x
    x = 1,603,324,797,885.83/1,447,158.15
  6. Step 6: Final answer
    x = 1,107,912.63

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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.