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Finding the Fourth Proportional to 867,025.80, 1,299,838.86 and 797,041.80

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Solution

The fourth proportional to 867,025.80, 1,299,838.86 and 797,041.80 is: 1,194,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,025.80 : 1,299,838.86 = 797,041.80 : x
  2. Step 2: Convert to fraction form
    867,025.80/1,299,838.86 = 797,041.80/x
  3. Step 3: Cross multiply
    867,025.80x = 1,299,838.86 × 797,041.80
  4. Step 4: Simplify right side
    867,025.80x = 1,036,025,904,684.35
  5. Step 5: Solve for x
    x = 1,036,025,904,684.35/867,025.80
  6. Step 6: Final answer
    x = 1,194,919.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.