Home / 1,137,115.12-1,569,222.21-620,873.50

Finding the Fourth Proportional to 1,137,115.12, 1,569,222.21 and 620,873.50

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Solution

The fourth proportional to 1,137,115.12, 1,569,222.21 and 620,873.50 is: 856,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,115.12 : 1,569,222.21 = 620,873.50 : x
  2. Step 2: Convert to fraction form
    1,137,115.12/1,569,222.21 = 620,873.50/x
  3. Step 3: Cross multiply
    1,137,115.12x = 1,569,222.21 × 620,873.50
  4. Step 4: Simplify right side
    1,137,115.12x = 974,288,485,800.44
  5. Step 5: Solve for x
    x = 974,288,485,800.44/1,137,115.12
  6. Step 6: Final answer
    x = 856,807.26

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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.