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Finding the Fourth Proportional to 863,999.70, 1,295,999.55 and 801,014.10

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Solution

The fourth proportional to 863,999.70, 1,295,999.55 and 801,014.10 is: 1,201,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,999.70 : 1,295,999.55 = 801,014.10 : x
  2. Step 2: Convert to fraction form
    863,999.70/1,295,999.55 = 801,014.10/x
  3. Step 3: Cross multiply
    863,999.70x = 1,295,999.55 × 801,014.10
  4. Step 4: Simplify right side
    863,999.70x = 1,038,113,913,143.66
  5. Step 5: Solve for x
    x = 1,038,113,913,143.66/863,999.70
  6. Step 6: Final answer
    x = 1,201,521.15

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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.